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Chapter1 AnIntroductiontoAnatomyandPhysiology MultipleChoiceQuestions1) Theanalysisoftheinternalstructureofindividualcellsiscalled A) cytology. B) histology. C) embryology. D) physiology. E) anatomy. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Thestudyofthegeneralformandsuperficialmarkingsofanorganismiscalled________anatomy. A) gross B) surface C) systemic D) regional E) surgical Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) Thestudyofthesuperficialandinternalfeaturesinaspecificareaofthebodyiscalled________anatomy. A) surface B) regional C) surgical D) pathological E) radiographic Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Anatomicalfeaturesthatchangeduringillnessarestudiedin________anatomy. A) gross B) surface C) microscopic D) pathological E) regional Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
5) Thestudyoftheliveristogrossanatomyasthestudyofthelivercellisto A) physiology. B) regionalanatomy. C) cytology. D) systemicanatomy. E) radiographicanatomy. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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6) Thestudyofthefirsttwomonthsofdevelopmentistermed A) histology. B) embryology. C) cytology. D) pathology. E) organology. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
7) Thestudyofthefunctionofspecificorgansystemsiscalled A) systemicphysiology. B) organphysiology. C) cellphysiology. D) pathologicalphysiology. E) histology. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Cardiovascularphysiologyisanexampleof A) histophysiology. B) organphysiology. C) systemicphysiology. D) pathologicalphysiology. E) physiologicalchemistry. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) WhichofthefollowingisarrangedincorrectorderfromthemostCOMPLEXtotheSIMPLEST? A) cellular,tissue,molecular,system,organ,organism B) molecular,cellular,tissue,organ,system,organism C) tissue,cellular,molecular,organ,system,organism D) organ,organism,molecular,cellular,tissue,system E) organism,system,organ,tissue,cellular,molecular Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) Whichorgansystemprovidessupport,protectionofsofttissue,mineralstorage,andbloodformation? A) integumentary B) muscular C) skeletal D) nervous E) endocrine Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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11) Whichorgansystemtransportsnutrients,metabolicwastes,gases,anddefensecells? A) cardiovascular B) digestive C) muscular D) respiratory E) urinary Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
12) Whichorgansystemincludesthespleenandthetonsils? A) digestive B) endocrine C) nervous D) cardiovascular E) lymphatic Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
13) Thekidneysanduretersareorgansofthe________system. A) endocrine B) digestive C) respiratory D) urinary E) lymphatic Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) Thepituitaryglandandthyroidglandareorgansofthe________system. A) endocrine B) cardiovascular C) respiratory D) lymphatic E) digestive Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
15) Whichorgansystemremovescarbondioxidefromthebloodstream? A) cardiovascular B) lymphatic C) respiratory D) digestive E) endocrine Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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16) Lungsaretotherespiratorysystemastheliveristothe________system. A) lymphatic B) urinary C) digestive D) cardiovascular E) bothBandD Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
17) Skin,hair,andnailsareassociatedwiththe________system. A) skeletal B) muscular C) integumentary D) endocrine E) bothAandB Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
18) Themaintenanceofaconstantinternalenvironmentinanorganismistermed A) positivefeedback. B) homeostasis. C) negativefeedback. D) effectorcontrol. E) integration. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
19) Whenbodytemperaturerises,acenterinthebraininitiatesphysiologicalchangestodecreasethebody temperature.Thisisanexampleof A) negativefeedback. B) positivefeedback. C) nonhomeostaticregulation. D) diagnosticregulation. E) fever. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
20) Ingeneral,thenervoussystemdoeseachofthefollowing, except A) helpstomaintainhomeostasis. B) respondsrapidlytochange. C) directslong-termresponsestochange. D) directsveryspecificresponses. E) bothBandD Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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21) Whichoneofthefollowingisnotacharacteristicoftheendocrinesystem? A) releaseschemicalmessengerscalledhormones B) producesamorerapidresponsethanthenervoussystem C) produceseffectsthatlastfordaysorlonger D) producesaneffectthatinvolvesseveralorgansortissuesatthesametime E) importanthomeostaticsystem Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
22) Apersonfacingforwardwithhandsatthesidesandpalmsfacingforwardisinthe A) supineposition. B) proneposition. C) anatomicalposition. D) frontalposition. E) sagittalposition. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
23) Ananatomicaltermthatmeansthesame asventral: A) posterior B) inferior C) abdominal D) anterior E) superior Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
24) Theheartis________tothelungs. A) lateral B) medial C) posterior D) proximal E) distal Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
25) Thewristis________totheelbow. A) proximal B) distal C) lateral D) medial E) horizontal Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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26) Thechinis________tothenose. A) anterior B) superior C) posterior D) inferior E) medial Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
27) Whichofthefollowingregionscorrespondstothebuttocks? A) pelvic B) cephalic C) gluteal D) lumbar E) thoracic Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
28) Whichofthefollowingtermsreferstothefoot? A) cervical B) brachial C) antebrachial D) femoral E) pedal Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
29) Whichplanedividesthebodyintorightandleftparts? A) proximal B) frontal C) orthogonal D) transverse E) sagittal Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
30) Themuscleknownasthediaphragmseparatesthe________fromthe________. A) pleuralcavity;mediastinum B) thoraciccavity;abdominopelviccavity C) pericardialcavity;pleuralcavity D) abdominalcavity;pelviccavity E) pericardialsac;pericardialcavity Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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31) Thethoraciccavitycontainsthe A) coelom. B) pericardialcavity. C) pelviccavity. D) pleuralcavities. E) bothBandD Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
32) Amidsagittalsectionwouldpassthroughthe A) kidney. B) lung. C) heart. D) spleen. E) leg. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
33) Theserousmembranecoveringthestomachandmostoftheintestinesiscalledthe A) pericardium. B) peritoneum. C) pleura. D) mediastinum. E) abdomen. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
34) Mary,whois6monthspregnant,goestoherphysicianforatesttocheckthedevelopmentofherfetus.The physicianusesadevicethatemitssoundwavestoproduceanimageofthefetus.Thistechniqueisknownas A) X-ray. B) CT. C) MRI. D) ultrasound. E) radiography. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
35) Animagingtechniquethatusesamagneticfieldandradiowavestoproduceviewsinsidethebodyisthe A) angiogram. B) radiograph. C) CTscan. D) MRIscan. E) ultrasound. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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36) Ifaresponsedecreasesadisturbance,thesystemisclassifiedasa________feedbacksystem. A) deficit B) negative C) neutral D) polarized E) positive Answer: BDiff:1 Skill: Level2Questions:ReviewingConcepts
37) Ifaresponseincreasesadisturbance,thesystemisclassifiedasa________feedbacksystem. A) deficit B) negative C) neutral D) polarized E) positive Answer: EDiff:1 Skill: Level2Questions:ReviewingConcepts
38) Whichofthefollowingorgansislocatedbetweentheperitoneumandthebodywall? A) stomach B) kidney C) urinarybladder D) largeintestine E) spleen Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
39) Anatomyisto________asphysiologyisto________. A) function;form B) form;structure C) structure;function D) structure;form E) growth;form Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
40) Thecentralprincipleofphysiologyis A) nutrition. B) reflexes. C) homeostasis. D) stimulation. E) temperatureregulation. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
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41) Anexampleofareceptorinanegativefeedbackloopcontrollingbodytemperaturewouldbe A) temperaturesensorsontheskinthatdetectastimulus. B) sweatglandsthatincreasesecretion. C) regulatorycentersthatsendcommandstoaneffector. D) effectorsthatcausebloodvesselstodilate. E) sweatglandsthatactlikeeffectors. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
42) Theintegratingcenterforthenegativefeedbackloopthatregulatesbodytemperatureisthe A) hypothalamus. B) skin. C) temperaturesensor. D) positivefeedbackcenter. E) thermostat. Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
43) Acellororganthatrespondstocommandsofthecontrolcenterinnegativefeedbackistermeda(n) A) receptor. B) thermoregulator. C) hypothalamus. D) effector. E) stimulus. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
44) Thistypeoffeedbackexaggeratestheeffectsofvariationsfromnormal. A) negative B) positive C) neutral D) depressing E) alloftheabove Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
45) Organphysiologyisto________asgrossanatomyisto________. A) cellphysiology;microscopicanatomy B) macroscopicanatomy;unbalance C) equilibrium;macroscopicanatomy D) balance;equilibrium E) imbalance;microscopicanatomy Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
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46) Thequadrantsoftheabdominopelvicregionincludeallofthefollowingexcept A) rightupperquadrant(RUQ). B) rightlowerquadrant(RLQ). C) leftupperquadrant(LUQ). D) leftlowerquadrant(LLQ). E) pelvicquadrant. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
47) Whichofthefollowingisnotconsideredanabdominopelvicregion? A) righthypochondriac B) rightinguinalregion C) leftlumbar D) lefthypochondriac E) upper Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
48) Identifyastructurelocatedwithinthemediastinum. A) pericardialsac B) smallintestine C) lung D) spleen E) stomach Answer: ADiff:1 Skill: Level2Questions:ReviewingConcepts
49) Apersonislyingonthebedgazingattheceiling.Sheisinthe________position. A) prone B) supine C) anatomical D) dorsal E) caudal Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
50) Therightpleuralcavitycontainsthe A) heart. B) trachea. C) leftlung. D) rightlung. E) bothlungs. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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51) Whichofthefollowingorgansisnotcontainedwithintheabdominalcavity? A) stomach B) smallintestine C) ovary D) spleen E) pancreas Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
52) Visceralpericardiumislocated A) ontheheartitself. B) liningthepleuralcavity. C) liningthepericardialcavity. D) onthelungitself. E) liningtheperitonealcavity. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
53) Themediastinum A) containsthepleuralcavities. B) separatesthepleuralcavities. C) containsthepericardialcavity. D) bothAandC E) bothBandC Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
54) ________isconsideredtheoldestmedicalscience. A) Anatomy B) Biology C) Physiology D) Cytology E) Embryology Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
55) Identifythecorrectlyspelledtermdescribingtheorganthatseparatestheventralbodycavityintosuperiorand inferiorcavities. A) mediastinum B) mediastienum C) diaphragm D) diafragm E) diaphram Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
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56) Termsofanatomicaldirectionareusedtodescribe A) onebodypartinrelationtoanother. B) surgicalprocedures. C) asupineposition. D) thenervoussystem. E) livingmatter. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
57) Thetwomajordivisionsoftheventralbodycavityarethe A) pelvicandthoracic. B) cranialandsacral. C) lateralandmedial. D) thoracicandabdominopelvic. E) dorsalandventral. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
58) Theurinarybladderisfoundinthe________quadrantandthe________quadrant. A) rightupper;rightlower B) leftupper;leftlower C) rightupper;rightlower D) leftupper;rightupper E) rightlower;leftlower Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
59) Theliverisprimarilylocatedinthe________quadrant. A) rightupper B) leftupper C) rightlower D) leftlower E) hepatic Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
60) Whilestandingerect,thedirectionofcaudalis A) upward. B) downward. C) laterally. D) medially. E) noneofthese. Answer: BDiff:1 Skill: Level2Questions:ReviewingConcepts
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61) Whilestandingintheanatomicalposition, A) frontreferstoanterior. B) frontreferstoventral. C) backreferstoposterior. D) backreferstodorsal. E) alloftheabove Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
62) Achemicalimbalanceinthebloodcancausethehearttostoppumpingblood,whichinturnwillcauseother tissuesandorganstoceasefunctioning.Thisobservationsupportstheviewthat A) allorganismsarecomposedofcells. B) alllevelsoforganizationwithinanorganismareinterdependent. C) chemicalmoleculesmakeupcells. D) bloodhasmagicalproperties. E) congenitaldefectscanbelife-threatening. Answer: BDiff:3 Skill: Level2Questions:ReviewingConcepts
ShortAnswerQuestions1) Thebranchofbiologicalsciencethatstudiestheexternalandinternalstructureofthebodyandthephysical relationshipamongbodypartsiscalled________. Answer: anatomyDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Thebranchofbiologicalsciencethatdealswiththestudyofhowlivingorganismsperformtheirvitalfunctions iscalled________. Answer: physiologyDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) Thetendencyforphysiologicalsystemstostabilizeinternalconditionsiscalled________. Answer: homeostasisDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Homeostaticregulationusuallyinvolvesa(n)________thatdetectsaparticularstimulus,anda(n)________ thatrespondstothestimulusbycommunicatingwitha(n)________whoseactivityhasaneffectonthesame stimulus. Answer: receptor;integratingcenter;effectorDiff:2 Skill: Level2Questions:ReviewingConcepts
5) ________regulationoccurswhentheactivitiesoforgansareregulatedlocally. Answer: IntrinsicDiff:2 Skill: Level2Questions:ReviewingConcepts
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6) ________regulationresultsfromtheactivitiesofthenervousorendocrinesystem. Answer: ExtrinsicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
7) Anatomyusesaspeciallanguage,called________,thatinvolvestheuseofwordroots,prefixes,suffixes,and combiningformstoconstructtermsrelatedtothebodyinhealthanddisease. Answer: medicalterminologyDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Whenhomeostaticmechanismsfail,anindividualwillexperiencethesymptomsof________. Answer: diseaseDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) Apersonlyingfacedownisinthe________position. Answer: proneDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) The________servesasaworldwideofficialstandardofanatomicalvocabulary. Answer: TerminologiaAnatomicaDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
11) Acutparalleltothemidsagittalplanewouldproducea(n)________section. Answer: parasagittalDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
12) ________studiesthechangesinformthatoccurbetweenconceptionandphysicalmaturity. Answer: DevelopmentalanatomyDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
13) Thecommontermforthebuccalregionisthe________. Answer: cheekDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) Thecommontermforthecarpalregionisthe________. Answer: wristDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
15) Thecommonnameforthepollexisthe________. Answer: thumbDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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16) Thecommonnameforthepatellaisthe________. Answer: kneecapDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
EssayQuestions1) Nametheorgansfoundinthethoraciccavity. Answer: lungs,heart,trachea,esophagus,thymus,majorbloodvesselsconnectedtotheheartDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
2) Namethetwoupperabdominalquadrantsandlisttheorgansthatlieineach. Answer: rightupperquadrant(RUQ):rightlobeofliver,gallbladder,rightkidney,portionsofstomach,largeand smallintestines;leftupperquadrant(LUQ):leftlobeofliver,stomach,pancreas,leftkidney,spleen, portionsoflargeintestineDiff:1 Skill: Level2Questions:ReviewingConcepts
3) Whatishomeostaticregulation,andwhatisitsphysiologicalimportance? Answer: Homeostaticregulationreferstoadjustmentsinphysiologicalsystemsthatareresponsibleforthe preservationofaconstantinternalenvironment.Thisprovidesafavorableenvironmentforthebodys cells.Diff:3 Skill: Level2Questions:ReviewingConcepts
4) Duringexercise,bloodflowtoskeletalmusclesincreases.Theinitialresponsethatincreasesbloodflowis automaticandindependentofthenervousandendocrinesystems.Whichtypeofhomeostaticregulationis this?Why? Answer: Theinitialincreaseinbloodflowtoactivemusclesisanexampleofautoregulation.Forexample,when oxygenlevelsdeclineinatissue,thecellsreleasechemicalsthatdilatelocalbloodvessels.Thisdilation increasestherateofbloodflowandprovidesmoreoxygentotheregionevenbeforeresponsesfromthe nervousorendocrinesystemtakeplace.Autoregulationdoesnotrequirethenervousorendocrine system.Diff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
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Chapter2 TheChemicalLevelofOrganization MultipleChoiceQuestions1) Thesmalleststableunitsofmatterare A) atoms. B) molecules. C) protons. D) neutrons. E) electrons. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Theatomicnumberofanatomisdeterminedbythenumberof________ithas. A) electrons B) protons C) neutrons D) protons+neutrons E) protons+electrons Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) Isotopesofanelementdifferinthenumberof A) protonsinthenucleus. B) electronsinthenucleus. C) neutronsinthenucleus. D) electronclouds. E) electronsinenergyshells. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Themassnumberrepresentsthenumberof A) protonsinanatom. B) electronsinanion. C) neutronsinanatom. D) protons+neutrons. E) neutrons+electrons. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
5) Theinnermostelectronshellinanatomholdsupto________electrons. A) 1 B) 2 C) 4 D) 6 E) 8 Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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6) Theatomicweightofanatomreflectstheaveragenumberof A) protons. B) neutrons. C) electrons. D) protons+neutrons. E) protons+neutrons+electrons. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
7) Radioisotopeshaveunstable A) ions. B) nuclei. C) isotopes. D) electronclouds. E) protons. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Thechemicalbehaviorofanatomisdeterminedby A) thenumberofprotons. B) thenumberofneutrons. C) theoutermostelectronshell. D) thesizeoftheatom. E) themassofthenucleus. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) Ionswitha+chargearecalled A) cations. B) anions. C) radicals. D) positrons. E) isotopes. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) Theweakestbondbetweentwoatomsisthe________bond. A) ionic B) covalent C) polar D) nonpolar E) hydrogen Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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11) Ionicbondsareformedwhen A) atomsshareelectrons. B) electronsarecompletelytransferredfromoneatomtoanother. C) apairofelectronsissharedunequallybytwoatoms. D) hydrogenformsbondswithnegativelychargedatoms. E) twoormoreatomsloseelectronsatthesametime. Answer: BDiff:1 Skill: Level2Questions:ReviewingConcepts
12) Inamoleculeofnitrogen,threepairsofelectronsaresharedbytwonitrogenatoms.Thetypeofbondthatis formedisanexampleofa(n) A) singletrivalentbond. B) doubledivalentbond. C) triplecovalentbond. D) polarcovalentbond. E) hydrogenbond. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
13) Ifapairofelectronsisunequallysharedbetweentwoatoms,a(n)________occurs. A) singlecovalentbond B) doublecovalentbond C) triplecovalentbond D) polarcovalentbond E) hydrogenbond Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) Elementsthathaveatomswithfulloutershellsofelectrons A) willformmanycompounds. B) willnormallyformanions. C) willnormallyformcations. D) frequentlyformhydrogenbonds. E) areinertgases. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
15) Whichoneofthefollowingstatementsisnot correctaboutthereactionH2 + Cl2 2HCl? A) H2 andCl 2 arethereactants. B) HClistheproduct. C) Onemoleculeofhydrogencontainstwoatoms. D) TwomoleculesofHClareformedinthereaction. E) Thisreactioniseasilyreversible. Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
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16) ABA+BistodecompositionasA+ B ABisto A) exchange. B) synthesis. C) combustion. D) replacement. E) metabolism. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
17) ThereactionN 2 +3H2 2NH3isanexampleofa(n) A) exchangereaction. B) decompositionreaction. C) synthesisreaction. D) enzymereaction. E) metabolicreaction. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
18) ThereactionA+B+energyABisanexampleofa(n) A) exergonicreaction. B) endergonicreaction. C) equilibriumreaction. D) decompositionreaction. E) exchangereaction. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
19) Chemicalreactionsthatyieldenergy,suchasheat,aresaidtobe A) endergonic. B) activated. C) exergonic. D) neutral. E) thermonuclear. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
20) Allofthefollowingaretrueconcerningenzymes,except thatthey A) areproteins. B) functionasbiologicalcatalysts. C) lowertheactivationenergyrequiredforareaction. D) affectonlytherateofachemicalreaction. E) areconsumedduringthereaction. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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21) Substratemoleculesbindtoenzymesatthe________sites. A) amino B) active C) carboxyl D) reactant E) neutral Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
22) Compoundsthatcanbesynthesizedorbrokendownbychemicalreactionsinsidethebodyarecalled A) inorganiccompounds. B) organiccompounds. C) nutrients. D) metabolites. E) enzymes. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
23) Eachofthefollowingisanexampleofaninorganiccompound, except A) water. B) acids. C) bases. D) salts. E) rocks. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
24) Whichofthefollowingstatementsaboutwaterisnot correct? A) iscomposedofpolarmolecules B) isresponsibleformuchofthemassofthehumanbody C) hasarelativelylowheatcapacity D) candissolvemanysubstances E) containshydrogenbonds Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
25) Duringionization,watermoleculesdisrupttheionicbondsofasalttoproduceamixtureofions.Theseions cancarryacurrentandsoarecalled A) cations. B) anions. C) acids. D) electrolytes. E) counterions. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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26) Oppositelychargedionsinsolutionarepreventedfromcombiningby A) heatcapacityofwater. B) hydrationspheres. C) watersnonpolarnature. D) freeradicals. E) hydrogenbonding. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
27) Asolutioncontainingequalnumbersofhydrogenionsandhydroxideionsis A) acidic. B) basic. C) neutral. D) alkaline. E) inequilibrium. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
28) Whichofthefollowingsubstanceswouldbemostacidic? A) lemonjuice,pH=2 B) urine,pH=6 C) tomatojuice,pH=4 D) whitewine,pH=3 E) stomachsecretions,pH=1 Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
29) IfasubstancehasapHthatisgreaterthan7,itis A) neutral. B) acidic. C) alkaline. D) abuffer. E) asalt. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
30) Animportantbufferinbodyfluidsis A) NaCl. B) NaOH. C) HCl. D) NaHCO 3 . E) H2 O. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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31) Inthebody,inorganiccompounds A) canserveasbuffers. B) canmakeupproteins. C) maybeheldtogetherbyionicbonds. D) arestructuralcomponentsofcells. E) bothAandC Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
32) Inchemicalnotation,thesymbolCa 2+ means________. A) twocalciumatoms B) acalciumionthathaslosttwoelectrons C) acalciumionthathasgainedtwoprotons D) acalciumionthathasgainedtwoelectrons E) acalciumionthathaslosttwoprotons Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
33) Carbohydratemolecules A) arethebuildingblocksofcellularmembranes. B) formtheregulatorymoleculesknownasenzymes. C) arethebodysmostreadilyavailablesourceofenergy. D) arecomposedofC,H,O,andNatoms. E) containthegeneticinformationfoundincells. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
34) Themostimportantmetabolicfuelmoleculeinthebodyis A) sucrose. B) caffeine. C) protein. D) vitamins. E) glucose. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
35) Moleculesthathavethesamemolecularformulabutdifferentstructuralformulasarecalled A) isotopes. B) isomers. C) isozymes. D) isotypes. E) isomoles. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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36) Apolysaccharidethatisformedinliverandmusclecellstostoreglucoseis A) lactose. B) cellulose. C) glycogen. D) sucrose. E) fructose. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
37) Thegroupoforganiccompoundscontainingcarbon,hydrogen,andoxygeninanear1:2:1ratioisdefinedasa A) carbohydrate. B) lipid. C) protein. D) nucleicacid. E) eitherAorB Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
38) Lipids A) formessentialstructuralcomponentsofcells. B) provideroughlytwicetheenergyascarbohydrates. C) helptomaintainbodytemperature. D) cushionorgansagainstshocks. E) alloftheabove Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
39) Afattyacidthatcontainstwoormoredoublecovalentbondsissaidtobe A) saturated. B) monounsaturated. C) polyunsaturated. D) hydrogenated. E) carboxylated. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
40) Mostofthefatfoundinthehumanbodyisintheformof A) cholesterol. B) phospholipids. C) triglycerides. D) prostaglandins. E) monoglycerides. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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41) Lipidsthatareproducedbynearlyeverytissueinthebodyandthatactaslocalregulatorsofmetabolismare the A) prostaglandins. B) steroids. C) monoglycerides. D) phospholipids. E) glycolipids. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
42) Cholesterol,phospholipids,andglycolipidsareexamplesof A) dietaryfats. B) prostaglandins. C) structurallipids. D) lipiddrugs. E) steroids. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
43) Youwouldexpectapeptidebondtolink A) twosimplesugars. B) twoaminoacids. C) twonucleotides. D) asugarandapeptide. E) apeptideandafattyacid. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
44) Eachaminoaciddiffersfromanotherinthe A) numberofcentralcarbonatoms. B) sizeoftheaminogroup. C) numberofcarboxylgroups. D) natureofthesidechain. E) numberofpeptidebondsinthemolecule. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
45) Thealpha-helixandpleatedsheetareexamplesof________proteinstructure. A) primary B) secondary C) tertiary D) quaternary E) pentanary Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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46) Interactionbetweenindividualpolypeptidechainstoformaproteincomplexis________structure. A) primary B) secondary C) tertiary D) quaternary E) pentagonal Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
47) Glycoproteinsandproteoglycansarecombinationsofaminoacidsand A) carbohydrates. B) fattyacids. C) lipids. D) nucleicacids. E) noneoftheabove Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
48) Moleculesthatstoreandprocessgeneticinformationarethe A) proteins. B) nucleicacids. C) carbohydrates. D) lipids. E) steroids. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
49) Anaminoacidistoaproteinas________istoanucleicacid. A) apurine B) anucleotide C) aprotein D) aproton E) aneutron Answer: BDiff:1 Skill: Level2Questions:ReviewingConcepts
50) Anucleotideconsistsof A) afive-carbonsugarandphosphategroup. B) afive-carbonsugarandanitrogenousbase. C) aphosphategroupandanitrogenousbase. D) afive-carbonsugar,anitrogenousbase,andaphosphategroup. E) afive-carbonsugarandanaminoacid. Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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51) Accordingtotherulesofcomplementarybasepairinginnucleicacids,cytosinewouldpairwiththebase A) thymine. B) adenine. C) uracil. D) cytosine. E) guanine. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
52) Themostabundanthigh-energycompoundincellsis A) DNA. B) adenosinediphosphate. C) adenosinemonophosphate. D) adenosinetriphosphate. E) RNA. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
53) Ahigh-energybondinATPispresent A) betweenadenineandribose. B) betweenadenineandaphosphategroup. C) betweenthefirstandsecondphosphategroup. D) betweenthesecondandthirdphosphategroup. E) bothCandD Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
54) Whenatomscompletetheirouterelectronshellbysharingelectrons,theyform A) ionicbonds. B) covalentbonds. C) hydrogenbonds. D) anions. E) cations. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
55) Hydrophilicmoleculesreadilyassociatewith A) lipidmolecules. B) hydrophobicmolecules. C) watermolecules. D) bothAandB E) alloftheabove Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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56) Carbohydrates,lipids,andproteinsareclassifiedas A) organicmolecules. B) inorganicmolecules. C) acids. D) salts. E) bases. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
57) Ifanisotopeofoxygenhas8protons,10neutrons,and8electrons,itsmassnumberis A) 26. B) 16. C) 18. D) 8. E) 12. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
58) Ofthefollowingchoices,thepHoftheleastacidicsolutionis A) 6.0. B) 4.5. C) 2.3. D) 1.0. E) 12.0. Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
59) Whichofthefollowingisthesymbolforanaminogroup? A) COOH B) PO3 C) NH2 D) AMO E) OH Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
60) Whichelementcommonlyhasonlyaprotonasitsnucleus? A) helium B) neon C) argon D) hydrogen E) noneoftheabove Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
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61) Identifywhichofthefollowingisbothananionandacompound: A) Na+ B) Cl- C) K+ D) HCO3 E) NaCl Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
62) Whichofthefollowingisnotacation? A) Na+ B) Cl- C) K+ D) Ca2+ E) Mg 2+ Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
63) Adustparticlefloatingonawatersurfaceillustrates A) surfacetension. B) chemicaltension. C) staticelectricity. D) heatcapacity. E) hydrophilicattraction. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
64) Anexampleofanorganicsubstanceis A) sucrose. B) carbonicacid. C) sodiumchloride. D) oxygen. E) nitricoxide. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
65) Anexampleofaninorganicsubstanceis A) fructose. B) water. C) glycerol. D) carbondioxide. E) bothBandD Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
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66) Inhydrolysisreactions,compoundsreactwith A) hydrogen,causingdecomposition. B) glucose,causingdecomposition. C) water,causingdecomposition. D) carbon,causingdecomposition. E) water,causingsynthesis. Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
67) Indehydrationreactions,compounds A) losewatermolecules. B) gainwatermolecules. C) convertwatermoleculestohydrogenandoxygen. D) converthydrogenandoxygentowater. E) gainelectrons. Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
68) Whichpropertyofwaterhelpskeepbodytemperaturestabilized? A) kineticenergy B) lubrication C) surfacetension D) reactivity E) thermalinertia Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
69) Themassofanatomislargelydeterminedbythenumberof________ithas. A) electrons B) protons C) neutrons D) protons+neutrons E) protons+electrons Answer: DDiff:1 Skill: Level2Questions:ReviewingConcepts
70) Inanaqueoussolution,cationsareattractedtoward A) water. B) salt. C) buffers. D) anions. E) hydrogenions. Answer: DDiff:1 Skill: Level2Questions:ReviewingConcepts
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71) Inanaqueoussolution,sodiumionswouldmovetoward A) anegativeterminal. B) apositiveterminal. C) apHterminal. D) anorganicterminal. E) thebottom. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
72) Thechemicalnotationthatindicatesconcentrationisrepresentedas A) (). B) . C) []. D) {}. E) ||. Answer: CDiff:1 Skill: Level2Questions:ReviewingConcepts
73) Whichhasthegreaterconcentrationofhydrogenions,asubstancewithapHof5orasubstancewithapHof 4? A) ApHof4isgreater. B) ApHof5isgreater. C) Theyarebothequal;4and5arerelativevalues. D) pH9,ifyoumixedthesolutions. E) Notenoughinformationtosay. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
74) Ofthelistbelow,whichhasthehighestconcentrationofhydroxideions? A) pH1 B) pH14 C) pH7 D) pH10 E) pH2 Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
75) WhichpHisclosesttonormalbodypH? A) pH7 B) pH8 C) pH4 D) pH3 E) pH2 Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
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76) Afunctionalgroupisbestdescribedasreoccurringclustersof A) elementsthatoccurinasalt. B) atomsthatgreatlyinfluencethechemicalpropertiesofmoleculestheyarepartof. C) atomsthatfunctioninthebody. D) elementsthatformathighpH. E) aminoacidsinaglobularprotein. Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
77) Asidechainonanaminoacidissometimescalled________. A) fibrousorglobular. B) apolypeptidechain. C) anRgroup. D) anisozyme. E) nucleicacid. Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
78) Whichofthefollowingis/areneededtoformatriglyceridemolecule? A) 3glycerolmolecules B) 1glycerolmolecule C) 3fattyacidmolecules D) bothAandC E) bothBandC Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
79) Theterm________meanseachenzymecatalyzesonlyonetypeofreaction. A) saturation B) specificity C) inertia D) activation E) monoreactive Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
80) Themaximumrateofanenzymereactionoccursat A) dehydration. B) hydrolysis. C) synthesis. D) reversible. E) saturationlimit. Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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81) Theaveragetimebetweensynthesisandbreakdownisknownasthe________time. A) metabolism B) anabolism C) catabolism D) specificity E) turnover Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
82) Continuousbreakdownandreplacementofcellularmoleculesistermed A) metabolism. B) metabolicturnover. C) anabolicturnover. D) catabolicturnover. E) bothAandC Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
83) IdentifytheproductformedfromthephosphorylationofADP. A) adenosinediphosphate B) adenine C) adenosinetriphosphate D) deoxyribonucleicacid E) ribose Answer: CDiff:3 Skill: Level2Questions:ReviewingConcepts
84) AMP+P A) ADP B) 2ADP C) DNA D) ATP E) adenine Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
85) Thephosphorylationofadenosineforms A) ADP. B) ATP. C) AMP. D) 2ATP. E) ribose. Answer: CDiff:2 Skill: Level3Questions:CriticalThinking&ClinicalApplications
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86) Adenineandguanineare A) purinesrepresentedbyTandC. B) pyrimidinesrepresentedbyAandG. C) purinesrepresentedbyAandG. D) pyrimidinesrepresentedbyTandC. E) nucleotidesrepresentedbyAandG. Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
87) Oxygenisrequiredinbiologicalsystemsfor A) cellularmetabolism. B) storageofenergy. C) servingasstructuralcomponentsofbone. D) servingascatalysts. E) chemicalmessengers. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
88) Muscleproteinsaredestroyedafter17daysandthenreplaced.Thisisanexampleof A) metabolicturnover. B) surveillance. C) surfacetension. D) disease. E) specificity. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
89) Byweight,whichelementisthemostplentifulinthehumanbody? A) sulfur B) sodium C) oxygen D) potassium E) carbon Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
90) Byweight,whichelementisthesecondmostabundantinthehumanbody? A) oxygen B) carbon C) hydrogen D) nitrogen E) calcium Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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91) Indicatewhichoftheselistscontainsonlytraceelements. A) sulfur,chlorine,oxygen B) selenium,hydrogen,calcium C) boron,oxygen,carbon D) silicon,fluorine,tin E) cobalt,calcium,sodium Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
92) ThemoleculeNOisknownas A) nitricoxide. B) noxiousoxide. C) noxiousoxygen. D) nitricoxygen. E) nitrousoxide. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
93) ThemoleculeCO2 isknownas A) carbonizedoxygen. B) carbonatedoxygen. C) carbonmonoxide. D) carbonoxide. E) carbondioxide. Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
94) ThemoleculeH 2 isknownas A) hydrohydrogen. B) hydrogen. C) hydroxide. D) helium. E) semi-water. Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
95) ThemoleculeO2 isknownas A) oxide. B) oxygen. C) organic. D) BorC E) noneoftheabove Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
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96) Thenucleusofanatomconsistsof A) electrons. B) protons. C) neutrons. D) protons+neutrons. E) protons+electrons. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
97) H2 Oisanexampleofa(n) A) ionicformula. B) glucosemolecule. C) molecularformula. D) watermolecule. E) covalentformula. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
98) A(n)________removeshydrogenionsanda(n)________releaseshydrogenions. A) acid;base B) base;acid C) compound;element D) element;compound E) molecule;acid Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
99) Ananometeris A) 10-6 meter. B) 10-8 meter. C) 10-9 meter. D) 10-10meter. E) 10-12meter. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
100) Anexcessofhydrogenionsinthebodyfluidscanhavefatalresultsbecausethiscan A) blockionmovements. B) changetheshapeoflargecomplexmolecules,renderingthemnonfunctional. C) disrupttissuefunctions. D) alloftheabove E) AandConly Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
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101) Artificialsweeteners A) arenaturallysimilartosugars. B) arealwayssomeformofcarbohydrate. C) aregenerallymanytimessweeterthansucrose. D) areinorganicsugarsubstitutes. E) providethesamenumberofcaloriesasanequivalentamountofsucrose. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
102) AlaskaNativeshavealowerincidenceofheartdiseaseeventhoughtheirdietsarehighinfatandcholesterol. Thismaybeduetothelargeamountof________intheirdiets. A) vitamins B) triglycerides C) prostaglandins D) omega-3fattyacids E) oleicacid Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
103) Ifanelementiscomposedofatomswithanatomicnumberof6andamassnumberof14,thenaneutralatom ofthiselementcontains A) 6protons. B) 8electrons. C) 8neutrons. D) bothAandB E) bothAandC Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
104) Onemoleofanyelement A) hasthesamemass. B) hasthesameweight. C) hasthesamenumberofatoms. D) hasthesamenumberofelectrons. E) alloftheabove Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
105) Whenelectronsaretransferredfromoneatomtoanother,andthetwoatomsuniteasaresultoftheopposite charges, A) anionisformed. B) amoleculeisformed. C) ahydrogenbondisformed. D) anionicbondisformed. E) acovalentbondisformed. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
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106) Magnesiumatomshavetwoelectronsintheoutermostshell.Asaresult,youwouldexpectmagnesiumtoform ionswithachargeof A) +1. B) +2. C) -1. D) -2. E) either+2or-2 Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
107) Magnesiumatomshavetwoelectronsintheoutermostshellandchlorineatomshaveseven.Thecompound magnesiumchloridewouldcontain A) 1magnesiumand1chlorine. B) 1magnesiumand2chlorine. C) 2magnesiumand1chlorine. D) 2magnesiumand7chlorine. E) impossibletotellwithoutmoreinformation Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
108) Whichofthefollowingstatementsabouthydrogenbondsisfalse? A) Hydrogenbondsarestrongattractiveforcesbetweenhydrogenatomsandnegativelychargedatoms. B) Hydrogenbondscanoccurwithinasinglemolecule. C) Hydrogenbondscanformbetweenneighboringmolecules. D) Hydrogenbondsareimportantforholdinglargemoleculestogether. E) Hydrogenbondsareresponsibleformanyofthepropertiesofwater. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
109) Inthereactionlistedbelow,whatcoefficientneedstobeaddedtobalancetheequation?6CO 2 + 6H2 O C6 H12O6 +________O2 A) 2 B) 4 C) 6 D) 8 E) 10 Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
110) Nonpolarorganicmoleculesaregoodexamplesof A) electrolytes. B) moleculesthatwilldissociatewhenplacedintowater. C) hydrophobiccompounds. D) hydrophiliccompounds. E) solutes. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
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111) Whenplacedinwater,aninorganiccompounddissociates99percent,forminghydrogenionsandanions.This compoundwouldbe A) astrongbase. B) aweakbase. C) astrongacid. D) aweakacid. E) asalt. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
112) WhenasmallamountofHClorNaOHisaddedtoasolutionofNa 2 HPO4 ,thepHofthesolutionbarely changes.Basedontheseobservations,allofthefollowingaretrueconcerningthecompoundNa 2 HPO4 ,except A) Na2 HPO4isabletoacceptextrahydrogenionsfromtheHCl. B) Na2 HPO4isabletodonatehydrogenionstotheOH - fromNaOH. C) Na2 HPO4adsorbsexcessH+ andOH - directlyontothesurfaceofitscrystallinestructure. D) Na2 HPO4isasaltformedfromreactingastrongbasewithaweakacid. E) Na2 HPO4actsasabuffer. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
113) Fructose A) isahexose. B) isanisomerofglucose. C) isfoundinmalereproductivefluids. D) alloftheabove E) AandBonly Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
114) Whentwomonosaccharidesundergoadehydrationsynthesis, A) twonewmonosaccharidesareformed. B) adisaccharideisformed. C) apolysaccharideisformed. D) astarchisformed. E) hydrolysisoccurs. Answer: BDiff:3 Skill: Level2Questions:ReviewingConcepts
115) Ashortageofcholesterolinthebodycouldinterferewiththeformationof A) sexhormones. B) proteins. C) plasmamembranes. D) glycogen. E) bothAandC Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
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116) Howwouldthelackofacofactorforanenzymeaffectthatenzymesfunction? A) Theenzymesfunctionwouldnotbealtered. B) Theenzymewouldfunctionmoreslowly. C) Theenzymewouldfunctionmorequickly. D) Theenzymewouldnotbeabletofunction. E) Theenzymewouldceasetofunctionafterreachingamaximumrate. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
117) ThestructureofRNAdiffersfromDNAinthat A) thebackboneofRNAcontainsribose. B) RNAcontainspyrimidinesbutnotpurines. C) RNAcontainspurinesbutnotpyrimidines. D) DNAcontainspyrimidinesbutnotpurines. E) DNAcontainspurinesbutnotpyrimidines. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
118) Ahigh-energybondinATPispresent A) betweenadenineandribose. B) betweenadenineandphosphategroup. C) betweenthefirstandsecondphosphategroup. D) betweenthesecondandthirdphosphategroup. E) bothCandD Answer: EDiff:3 Skill: Level1Questions:ReviewingFactsandTerms
ShortAnswerQuestions1) A(n)________isapuresubstancecomposedofatoms. Answer: elementDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Thecenterofanatomiscalledthe________. Answer: nucleusDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) Electronswhirlaroundthecenteroftheatomathighspeed,forminga(n)________. Answer: electroncloudDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Electronsinanatomoccupyanorderlyseriesofelectronshellsor________. Answer: energylevelsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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5) Theactualmassofanatomisknownasits________________. Answer: atomicweightDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
6) Ionswithapositivechargearecalled________. Answer: cationsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
7) Ionswithanegativechargearecalled________. Answer: anionsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Atomsofthesameelementwhosenucleicontainthesamenumberofprotons,butdifferentnumbersof neutrons,arecalled________. Answer: isotopesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) Chemicalreactionsthatreleaseenergyarecalled________. Answer: exergonicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) Chemicalreactionsthatabsorbenergyarecalled________. Answer: endergonicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
11) ________acceleratechemicalreactionsthatoccurinthehumanbody. Answer: EnzymesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
12) Inlivingcells,complexmetabolicreactionsproceedinaseriesofstepscalleda(n)________. Answer: pathwayDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
13) ________moleculesarecompoundsthatcontaincarbonastheprimarystructuralatom. Answer: OrganicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) ________compoundsdonotusuallycontaincarbonasaprimarystructuralatom. Answer: InorganicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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15) A(n)________isahomogeneousmixturecontainingasolventandasolute. Answer: solutionDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
16) ________aresolubleinorganiccompoundswhosesolutionswillconductanelectriccurrent. Answer: ElectrolytesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
17) Thethreefamiliarstatesofmatteraresolids,liquids,and________. Answer: gasesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
18) Moleculesthatdonotreadilydissolveinwaterarecalled________. Answer: hydrophobicDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
19) The________ofasolutionisthenegativelogarithmofthehydrogenionconcentrationexpressedinmolesper liter. Answer: pHDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
20) Kineticenergyisstoredas________energywhenaspringisstretched. Answer: potentialDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
21) Allfattyacidscontainafunctionalgroupatoneendcalledthe________. Answer: carboxylicacidgroupDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
22) Inwater,fattyacidstendtoformtinydropletswithhydrophobictailsburiedinsidecalled________. Answer: micellesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
23) ________aremoleculeswithtwofattyacidchainsandaphosphategroupthatformbiologicalmembranes. Answer: PhospholipidsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
24) ThemoleculeDNAcontainsafive-carbonsugarcalled________. Answer: deoxyriboseDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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25) Individualsteroidsdifferinthe________attachedtothecarbonrings. Answer: sidechainsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
26) ThepurinesfoundinDNAare________and________. Answer: adenine;guanineDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
27) ThepyrimidinebasesfoundinDNAare________and________. Answer: thymine;cytosineDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
28) A(n)________isacovalentbondthatstoresanunusuallylargeamountofenergy. Answer: high-energybondDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
29) Intheprocessof________aphosphategroupistransferredtoamolecule. Answer: phosphorylationDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
30) ThehydrolysisofATPyieldsADP,phosphateion,and________. Answer: energyDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
31) The________ofaradioactivesubstanceisthetimerequiredfora50percentreductionintherateofradiation emission. Answer: half-lifeDiff:2 Skill: Level2Questions:ReviewingConcepts
32) Identifythethreestructuralcomponentsofanucleotide. Answer: pentose;phosphategroup;nitrogenousbaseDiff:3 Skill: Level2Questions:ReviewingConcepts
EssayQuestions1) Explaintheroleofwatermoleculesinpolysaccharideformation. Answer: Watermoleculesareremovedinthedehydrationsynthesisofpolysaccharides.Diff:2 Skill: Level2Questions:ReviewingConcepts
2) Whatroledobuffersystemsplayinthehumanbody? Answer: BuffersystemshelpmaintainpHwithinnormallimitsbyremovingorreplacinghydrogenionsas needed.Diff:2 Skill: Level2Questions:ReviewingConcepts
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3) BloodhasaverynarrownormalpHrangebuturinehasaverybroadnormalpHrange.Whatdoesthat indicateaboutthephysiologyofpH? Answer: HomeostasisrequiresthatthepHofbodyfluidsbemaintainedalmostconstanttoavoiddisruptionsof healthyfunction.Toaccomplishthis,theurinarysystemeliminatesorretainshydrogenionasneeded. TheseactionscausethepHofurinetovarywidely,dependingonwhetherthereistoomuchornot enoughhydrogenioninthebody.Diff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
4) HowdoestheDNAmoleculecontroltheappearanceandfunctionofacell? Answer: TheDNAmoleculecontrolsthesynthesisofenzymesandstructuralproteins.Bycontrollingthe synthesisofstructuralproteins,theDNAisabletoinfluencethephysicalappearanceofacell.By controllingtheproductionofenzymes,theDNAisabletocontrolallaspectsofcellularmetabolismand thuscontroltheactivityandbiologicalfunctionsofthecell.Diff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
5) Theelementsulfurhasanatomicnumberof16andmassnumberof32.Howmanyneutronsareinthenucleus ofasulfuratom?Ifsulfurformscovalentbondswithhydrogen,howmanyhydrogenatomscanbondtoone sulfuratom? Answer: Thenumberofneutronsinanatomisequaltothemassnumberminustheatomicnumber.Thus,sulfur has3216=16neutrons.Theatomicnumberindicatesthenumberofprotons,soaneutralsulfuratom contains16protonsplus16electronstobalancetheprotonselectrically.Theelectronswouldbe distributedasfollows:2inthefirstelectronshell,8inthesecond,andtheremaining6inthethird.To achieveafull8electronsinthethird(outermost)electronshell,thesulfuratomcanaccept2electronsin anionicbondorcanshare2electronsinacovalentbond.Becausehydrogenatomscanshareone electroninacovalentbond,thesulfuratomcanformtwocovalentbondswithhydrogen,onewitheach oftwohydrogenatoms.Inchemicalnotation,thisisH 2 S.Diff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
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Chapter3 TheCellularLevelofOrganization MultipleChoiceQuestions1) Thesmallestlivingunitwithinthehumanbodyis A) aprotein. B) thecell. C) atissue. D) anorgan. E) anorgansystem. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Thewaterycomponentofthecytoplasmiscalled A) cytosol. B) protoplasm. C) extracellularfluid. D) interstitialfluid. E) acolloidalgel. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) Whichofthefollowingtermsisnotusedtodefinethestructurethatseparatesthecontentsofahumancell fromitssurroundingmedium? A) cellwall B) cellmembrane C) plasmamembrane D) plasmalemma E) bothAandD Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Functionsoftheplasmalemmaincludeallofthefollowing, except A) separationofthecytoplasmfromtheextracellularfluid. B) regulationofexchangeofmaterialswiththeextracellularenvironment. C) sensitivitytochemicalchangesintheextracellularfluid. D) thermalinsulation. E) structuralsupport. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
5) Theplasmamembraneiscomposedof A) abilayerofproteins. B) abilayerofphospholipids. C) carbohydratemolecules. D) carbohydratesandproteins. E) carbohydratesandlipids. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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6) Whichofthefollowingisnotafunctionofmembraneproteins? A) bindtoligands B) regulatethepassageofions C) actascarriermoleculesforvarioussolutes D) actasanchorsorstabilizersforthecellmembrane E) cellnutrient Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
7) Functionsoftheglycocalyxinclude A) lubricatingandprotectingthecellmembrane. B) identifyingthecellfortheimmunesystem. C) bindingextracellularcompounds. D) alloftheabove E) BandConly Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Eachofthefollowingisanexampleofanonmembranousorganelle, except A) lysosomes. B) cilia. C) centrioles. D) ribosomes. E) cytoskeleton. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) Componentsofthecytoskeletonmayincludeallofthefollowing, except A) microfilaments. B) intermediatefilaments. C) microsomes. D) microtubules. E) thickfilaments. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) Tubulinistomicrotubulesasactinisto A) ribosomes. B) microfilaments. C) intermediatefilaments. D) flagella. E) microvilli. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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11) Whichofthefollowingcytoskeletoncomponentsmovesthechromosomesduringcelldivision? A) microfilaments B) intermediatefilaments C) thickfilaments D) microtubules E) basalbodies Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
12) MostoftheATPrequiredtopowercellularoperationsisproducedinthe A) cytoplasm. B) endoplasmicreticulum. C) nucleus. D) mitochondria. E) cilia. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
13) Inthemitochondrion,foldsaretocristaeasthecontainedfluidisto A) actin. B) microvilli. C) cytosol. D) basalbody. E) matrix. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) Thecomponentsofribosomesareformedwithin A) theendoplasmicreticulum. B) Golgicomplexes. C) lysosomes. D) mitochondria. E) nucleoli. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
15) Synthesisoflipidsandglycogentakesplaceatthe A) ribosomes. B) roughER. C) smoothER. D) Golgiapparatus. E) mitochondria. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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16) Whichofthefollowingconsistsofanetworkofintracellularmembraneswithattachedribosomes? A) roughendoplasmicreticulum B) smoothendoplasmicreticulum C) mitochondria D) nucleoli E) Golgiapparatus Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
17) Renewalormodificationofthecellmembraneisafunctionofthe A) microtubules. B) mitochondria. C) roughendoplasmicreticulum. D) ribosomes. E) Golgiapparatus. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
18) Organellesthatabsorbandneutralizedrugsandtoxinsare A) lysosomes. B) peroxisomes. C) endocyticvesicles. D) nuclei E) toxisomes. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
19) Whenactivated,lysosomesfunctionin A) formationofnewcellmembranes. B) synthesisofproteins. C) digestionofforeignmaterial. D) synthesisoflipids. E) celldivision. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
20) MostofacellsDNAislocatedinits A) ribosomes. B) lysosomes. C) Golgiapparatus. D) nucleus. E) nucleolus. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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21) Thecontrolcenterforcellularoperationsisthe A) nucleus. B) mitochondria. C) Golgiapparatus. D) endoplasmicreticulum. E) ribosome. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
22) ThecomplexstructuresofDNAandproteinfoundinthecellnucleusare A) nucleoplasm. B) chromosomes. C) histones. D) nucleases. E) mitochondria. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
23) mRNAisneededtosynthesize________inthecytoplasm. A) carbohydrates B) lipids C) proteins D) phospholipids E) alloftheabove Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
24) Thetripletcodesneededtospecifyaspecificpolypeptidechainarefoundinthe A) cytoplasm. B) gene. C) codon. D) anticodon. E) polypeptideitself. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
25) Aseachcodonarrivesattheactivesiteofaribosome,itattractsanothermoleculecontainingtheanticodon. Thismoleculeiscalled A) DNA. B) mRNA. C) rRNA. D) tRNA. E) RER. Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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26) TheprocessofproteinformationdirectedbymRNAiscalled A) replication. B) transcription. C) translation. D) mitosis. E) auscultation. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
27) TheprocessofformingmRNAiscalled A) replication. B) transcription. C) translation. D) ribolation. E) auscultation. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
28) Themovementofoxygenfromanareaofhighconcentrationtoanareaoflowconcentrationisanexampleof A) osmosis. B) activetransport. C) diffusion. D) facilitatedtransport. E) filtration. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
29) Diffusionofasubstanceacrossthecellmembraneisinfluencedbyallofthefollowing, except A) hydrolysisofATP. B) thepresenceofthemembranechannels. C) thechargeontheion. D) concentrationgradient. E) lipidsolubility. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
30) Watermoleculesandsmallionsenteracellthrough A) channelsformedbyintegralproteins. B) peripheralproteins. C) lipidchannels. D) peripheralcarbohydrates. E) defectsinthelipidlayerofthemembrane. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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31) Asolutionthatcontainsalowerosmoticpressurethanthecytoplasmofacelliscalled A) merotonic. B) hypertonic. C) isotonic. D) hypotonic. E) homotonic. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
32) Spikesformonabloodcellwhenitisplacedina(n)________solution. A) isotonic B) hypertonic C) hypotonic D) merotonic E) homotonic Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
33) Theprocessbywhichmoleculessuchasglucosearemovedintocellsalongtheirconcentrationgradientwith thehelpofmembrane-boundcarrierproteinsiscalled A) osmosis. B) facilitateddiffusion. C) activetransport. D) endocytosis. E) exocytosis. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
34) Facilitateddiffusiondiffersfromordinarydiffusioninthat A) facilitateddiffusionconsumesnoATP. B) facilitateddiffusionmovesmoleculesfromanareaofhigherconcentrationtolowerconcentration. C) therateofmolecularmovementislimitedbythenumberofavailablecarriermolecules. D) facilitateddiffusionnevereliminatestheconcentrationgradient. E) therateofmolecularmovementisnotlimitedbythenumberofavailablecarriermolecules. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
35) Aprocessthatrequirescellularenergytomoveasubstanceagainstitsconcentrationgradientiscalled A) activetransport. B) passivetransport. C) facilitatedtransport. D) osmosis. E) diffusion. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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36) Theintakeofsmallmembranevesiclesfromtheextracellularfluidiscalled A) osmosis. B) activetransport. C) facilitatedtransport. D) endocytosis. E) anionexchangepump. Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
37) Theprincipalcationsinourbodyfluidsare________and________. A) sodium;potassium B) calcium;magnesium C) sodium;calcium D) chloride;bicarbonate E) sodium;chloride Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
38) Inordertomaintaincellularhomeostasis,anexchangepumpejects________ionsfromthecellandimports ________ions. A) potassium;calcium B) sodium;calcium C) potassium;sodium D) sodium;potassium E) calcium;sodium Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
39) Whichofthefollowingaboutacellsrestingtransmembranepotentialis false? A) insideslightlymorepositivethanoutside B) insideslightlymorenegativethanoutside C) dependsonseparationof+andcharges D) representspotentialenergy E) controlsmuscularcontractionandnervoussignaling Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
40) Thepotentialdifferenceacrossthecellmembraneisduetotheseparationof A) carbohydratemolecules. B) watermolecules. C) cationsandanions. D) acidsandbases. E) phospholipidsandproteins. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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41) Changesinthetransmembranepotentialofacellareinvolvedin A) movement. B) thought. C) glandularsecretion. D) alloftheabove E) AandBonly Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
42) Thestageinacellslifecycleinwhichthecellperformsitsnormalfunctionsandpreparesfordivisioniscalled A) prophase. B) metaphase. C) interphase. D) telophase. E) anaphase. Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
43) Acellduplicatesitschromosomesduringthe________phase. A) Go B) G1 C) G2 D) Gm E) S Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
44) Duringmitosis,chromatidsseparateintodaughterchromosomesduring A) prophase. B) metaphase. C) interphase. D) telophase. E) anaphase. Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
45) Duringthisphaseofcelldivision,thechromosomesuncoil,thenuclearmembraneforms,andcytokinesis occurs. A) anaphase B) prophase C) interphase D) telophase E) metaphase Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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46) Asgenesarefunctionallyeliminated,thecellbecomeslimitedintherangeofproteinsitcanmake.This specializationprocessistermed A) adaptation. B) differentiation. C) structuralintegration. D) cellularactivation. E) apoptosis. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
47) Allofthefollowingmembranetransportmechanismsarepassiveprocesses,except A) diffusion. B) facilitateddiffusion. C) vesiculartransport. D) osmosis. E) alloftheabove Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
48) Theplasmalemmaincludes A) integralproteins. B) glycolipids. C) phospholipids. D) alloftheabove E) AandConly Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
49) Thegeneticallyprogrammeddeathofcellsiscalled A) differentiation. B) replication. C) apoptosis. D) metastasis. E) mitosis. Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
50) Osmoticpressure A) forceswatertomovetowardthehighersoluteconcentration. B) forceswatertomoveacrossasemipermeablemembrane. C) canbeopposedbyhydrostaticpressure. D) alloftheabove E) AandConly Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
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51) Membraneproteinsperformwhichofthefollowingfunctions? A) anchoring B) receptors C) recognition D) enzymes E) alloftheabove Answer: EDiff:1 Skill: Level2Questions:ReviewingConcepts
52) Whichofthefollowingaboutcytoplasmisfalse? A) extracellularfluidcontainsmoreprotein B) thematerialthatfillsacell C) semi-rigidtexture D) includescytoskeleton E) includescytosol Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
53) Manyproteinsinthecytosolare________thatacceleratemetabolicreactions. A) carbohydrates B) enzymes C) lipids D) messengers E) ions Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
54) Extracellularfluidservesas A) astoragearea. B) areservearea. C) acomponentofthephospholipidbilayer. D) atransportmedium. E) atransportmediumwithlargestoragecapacity. Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
55) Microfilaments A) anchorthecytoskeletontomembraneproteins B) controltheconsistencyofcytoplasm C) withmyosin,producecellmovement D) alloftheabove E) BandConly Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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56) Tubulinis A) acarbohydratethatassemblesintofilamentoustubes(microtubules). B) alipidthatassemblesintofilamentoustubes(microtubules). C) aproteinthatassemblesintofilamentoustubes(microtubules). D) aproteinthatformsthetubularportionofthecytosol. E) alipidthatformstheER. Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
57) Thesemolecularmotorscarrymaterialsinoppositedirectionsalongmicrotubules. A) kinesinandmyosin B) actinandmyosin C) dyneinandmyosin D) dyneinandactin E) dyneinandkinesin Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
58) Endocytosisis A) amethodfortransportingsubstancesintothecell. B) amethodformetabolizingwithinthecytosol. C) aformofanabolism. D) aviralinfection. E) amethodforpackagingsecretions. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
59) Peroxisomes A) containenzymesthatbreakdownhydrogenperoxide. B) absorbandbreakdownfattyacids,generatinghydrogenperoxideintheprocess. C) isanothernameforlysosomes. D) bothAandB E) noneoftheabove Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
60) Somecellscontainlargenumbersofmitochondriawhileothershaverelativelyfewornone.Thissuggeststhat A) cellswithlargenumbersofmitochondriaareshort-lived. B) cellswithlargenumbersofmitochondriahaveahighenergydemand. C) cellswithsmallnumbersofmitochondriahavealargeATPsupply. D) cellswithlargenumbersofmitochondriahavealowenergydemand. E) somecellsareolderthanothers. Answer: BDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
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61) Amatureredbloodcelllacksanucleus.Thus,it A) canrepairitselfreadily. B) ismalformed. C) canonlydivideoncemore. D) willbealong-livedcell. E) cannotmakenewproteinsandwillbewornoutwithinafewmonths. Answer: EDiff:2 Skill: Level3Questions:CriticalThinking&ClinicalApplications
62) Histonesarefoundin A) nucleosomes. B) proteasomes. C) lysosomes. D) vesicles. E) endosomes. Answer: ADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
63) Chromosomesconsistof________and________. A) RNA;carbohydrates B) DNA;lipids C) DNA;proteins D) water;RNA E) RNA;proteins Answer: CDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
64) Whichorganelleismostprominentincellsthatmakelargeamountsofprotein? A) nucleus B) nucleolus C) chromosome D) proteasome E) mitochondria Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
65) MessengerRNAisvitaltothecellbecause A) mRNAcanleavethenucleus. B) mRNAcannotleavethenucleus. C) DNAcanleavethenucleus. D) DNAcannotleavethenucleus. E) bothAandD Answer: EDiff:3 Skill: Level2Questions:ReviewingConcepts
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66) ThefunctionalunitsofDNAthatcontaintheinstructionsformakingoneormoreproteinsare A) chromosomes. B) genes. C) ribosomes. D) codons. E) RNA. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
67) Specificproteinsaremanufacturedthroughtheinteractionof________and________. A) multipleenzymes;threetypesofRNA B) multipleenzymes;twotypesofRNA C) multiplecarbohydrates;threetypesofDNA D) multipleproteins;threetypesofDNA E) multipleenzymes;threetypesofDNA Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
68) Whichofthesetransportprocessesalwaysrequiresmetabolicenergy? A) diffusion B) carrier-mediatedtransport C) vesiculartransport D) freelypermeable E) impermeable Answer: CDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
69) Theskinswellsandpuckersduringalongbath.Thissuggeststhatbathwaterisa(n)________fluid. A) isotonic B) hypotonic C) hypertonic D) diffusion E) toxic Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
70) Redbloodcellshrinkageisto________ascellburstingisto________. A) crenation;hemolysis B) lysis;crenation C) hypotonic;isotonic D) isotonic;hypotonic E) isotonic;hypertonic Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
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71) Twotypesofvesiculartransportinclude A) endocytosisandretrocytosis. B) endocytosisandexocytosis. C) exocytosisandretrocytosis. D) pinocytosisandactivetransport. E) passivediffusionandactivediffusion. Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
72) Adefensecellengulfingabacteriumillustrates A) pinocytosis. B) endocytosis. C) exocytosis. D) phagocytosis. E) receptor-mediatedendocytosis. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
73) Duringmitosis,twodaughtercellsform,eachofwhichhas A) adifferentnumberofchromosomesthantheoriginalcell. B) twiceasmanychromosomesastheoriginalcell. C) thesamenumberofchromosomesastheoriginalcell. D) alessernumberofchromosomesthantheoriginalcell. E) halfasmanychromosomesastheoriginalcell. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
74) AunitinmessengerRNAconsistingofasetofthreeconsecutivenucleotidesistermeda(n) A) aminoacid. B) tRNA. C) anticodon. D) codon. E) gene. Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
75) Animpermeablecarbohydratethatisoftenadministeredtopatientssufferingbloodlossis A) salinesolution. B) saltsolution. C) glucose. D) isotonicsaline. E) dextran. Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
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76) Analternatetermfortumoris A) neoplasm. B) cytoplasm. C) benignmalignancy. D) primarymetastasis. E) nucleoplasm. Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
77) WhatisthefirstpartofthecellthatisaffectedwhenthepHofextracellularfluidchanges? A) nucleus B) nucleolus C) thecytosol D) plasmalemma E) cytoskeleton Answer: DDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
78) Whichformofendoplasmicreticulummodifiesandpackagesnewlysynthesizedproteins? A) ribosomalendoplasmicreticulum B) proteosomesreticulum C) raisedendoplasmicreticulum D) smoothendoplasmicreticulum E) roughendoplasmicreticulum Answer: EDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
79) WhichofthefollowingstatementsabouttheGolgiapparatusisfalse? A) receivestransportvesiclesfromtheRER B) sendstransportvesiclestotheRER C) produceslysosomes D) suppliesnewmembranecomponents E) producessecretoryvesicles Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
80) Whichphaseofthecellcyclehasthemostvariableduration? A) Sphase B) G0 phase C) G1 phase D) G2 phase E) Vphase Answer: BDiff:1 Skill: Level2Questions:ReviewingConcepts
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81) Microtubuleshavewhichofthefollowingfunctions? A) Theyformstructuralcomponentsoforganelles. B) Theymovechromosomesduringcelldivision. C) Theyprovideamechanismforchangingthecellshape. D) Molecularmotorsmovealongthem. E) alloftheabove Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
82) Theendoplasmicreticulumisresponsiblefor A) drugandtoxinneutralization. B) lipidsynthesis. C) proteinsynthesis. D) alloftheabove E) bothAandC Answer: DDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
83) Asubstancecontainingatomsofdifferentelementsthatarebondedtogetheriscalleda(n) A) molecule. B) compound. C) mixture. D) isotope. E) solution. Answer: BDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
84) Specialcatalyticmoleculescalled________controlchemicalreactionsinthehumanbody. A) enzymes B) cytozymes C) DNA D) ribosomes E) cytochromes Answer: ADiff:2 Skill: Level1Questions:ReviewingFactsandTerms
85) Allorganiccompoundsinthehumanbodycontainallofthefollowingelements,except A) hydrogen. B) oxygen. C) carbon. D) calcium. E) bothAandD Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
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86) Whichofthefollowingisnotafunctionofprotein? A) support B) transport C) metabolicregulation D) storageofgeneticinformation E) movement Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
87) Whichoffollowingpropertiesofthecytoskeletonisfalse? A) supportsorganelles B) controlscellshape C) providescellstrength D) madeofcytobones E) movesorganelles Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
88) Whichoffollowingpropertiesofmicrotubulesistrue? A) madeofmyosin B) madeofactin C) foundonlyintheterminalweb D) anothertermformicrofilaments E) interactwithdyneinandkinesin Answer: EDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
89) Hemolysismayoccurwhenabloodcellisplacedinto A) isotonicsolution. B) hypertonicsolution. C) hypotonicsolution. D) merotonicsolution. E) homotonicsolution. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
90) IfacelllackedtheenzymeDNApolymerase,itcouldnot A) formprotein. B) formcomplementarysequencesofDNA. C) linksegmentsofDNAtogether. D) formspindlefibers. E) formanewnuclearmembraneduringtelophase. Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
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91) Comparedtotheextracellularfluid,cytosolcontains A) ahigherconcentrationofpotassiumions. B) alowerconcentrationofdissolvedproteins. C) almostnoglycogen. D) ahigherconcentrationofaminoacids. E) almostnolipids. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
92) Microfilaments A) areusuallycomposedofmyosin. B) arehollow,filamentousstructures. C) anchorthecytoskeletontointegralproteinsofthecellmembrane. D) interactwithfilamentscomposedoftubulintoproducemusclecontractions. E) arefoundinthecytoplasmradiatingawayfromthecentrosome. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
93) Ifananimalcelllackedcentrioles,itwouldnotbeableto A) move. B) synthesizeproteins. C) produceDNA. D) metabolizesugars. E) formthemitoticspindle. Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
94) Eachofthefollowingstatementsconcerningmitochondriaistrue,except one.Identifytheexception. A) Thecristaeincreasetheinnersurfaceareaoftheorganelle. B) Thematrixcontainsmetabolicenzymesinvolvedinenergyproduction. C) Respiratoryenzymesareattachedtothesurfaceofthecristae. D) ThemitochondriacontainnoDNA. E) ThemitochondriaproducemostofacellsATP. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
95) Eachofthefollowingisafunctionofsmoothendoplasmicreticulum,except A) storageandreleaseofcalciumions. B) modificationofprotein. C) synthesisofsteroidhormones. D) synthesisoftriglycerides. E) detoxificationofdrugs. Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
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96) ThefollowingisalistofthestepsinvolvedintheprocessofsecretionbytheGolgiapparatus. 1. Materialmovesfromcisternatocisternabymeansoftransfervesicles. 2. Exocytosis. 3. ProductsfromRERarepackagedintotransportvesicles. 4. Secretoryvesiclesareformedatthematuringface. 5. Vesiclesarriveattheformingface. 6. Enzymesmodifyarrivingproteinsandglycoproteins. Theproperorderfortheseis A) 5,6,1,4,2,3. B) 2,3,5,6,1,4. C) 4,3,1,6,5,2. D) 3,5,6,1,4,2. E) 1,3,6,4,2,5. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
97) Imaginetworigidchambersseparatedbyarigidmembranethatisfreelypermeabletowaterbutimpermeable toglucose.Side1containsa10percentglucosesolutionandside2containspurewater.Atequilibrium,what willbethesituation? A) Waterwillcontinuetomovefromside1toside2. B) Waterwillcontinuetomovefromside2toside1. C) Thehydrostaticpressurewillbehigherinside1. D) Thehydrostaticpressurewillbehigherinside2. E) Nowaytotellwhatthesituationwillbe. Answer: CDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
98) Iftheamountofchlorideioninbloodplasmaincreases,whichofthefollowingwouldinitiallyoccur? A) Thebloodosmoticpressurewillincrease. B) Thebloodosmoticpressurewilldecrease. C) Thebloodosmoticpressurewillstaythesame. D) Thebloodhydrostaticpressurewillincrease. E) Thebloodhydrostaticpressurewilldecrease. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
99) Iftheconcentrationofsodiumchlorideintheinterstitialfluidsurroundingcellsdecreasesandthe concentrationofothersolutesremainsconstant, A) thecellswillshrink. B) thecellswillswell. C) thefluidoutsideofthecellswillbecomeisotonic. D) thefluidoutsideofthecellswillbecomehypertonic. E) thecellswillnotchange. Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
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100) Assumethatthetransportofaparticularaminoacidacrosstheplasmalemmaisobserved(1)tooccuronly downitsconcentrationgradientand(2)toslowwhenasimilaraminoacidisaddedtotheextracellularfluid. Themovementoftheaminoacidthroughthemembraneismostlikelyby A) osmosis. B) diffusion. C) facilitateddiffusion. D) activetransport. E) pinocytosis. Answer: CDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
101) Generally,cellswithaverybriefinterphaseandlackingaG 0 phase A) arestemcells. B) donotexhibitcytokinesis. C) havebrieflifespans. D) arereproductivecells. E) lacktheenzymeDNApolymerase. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
102) Thereisadirectcorrelationbetweenthepotencyofageneralanestheticsuchasetheranditsabilityto A) dissolveinwater. B) dissolveinlipids. C) bindtoproteins. D) interactwithcarbohydrates. E) bindtoDNA. Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
103) Cancercells A) areindistinguishablefromnormalbodycells. B) haveaslowmitoticrate. C) mayexhibitmetastasis. D) donotformneoplasms. E) generallyformbenigntumors. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
104) ThemRNAsequencethatiscomplementarytothesequenceATConDNAis A) ATC. B) TAG. C) UAG. D) AUG. E) AUC. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
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105) TheanticodonforthetripletUCAis A) AGU. B) AGC. C) TCA. D) TGT. E) AGT. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
106) BeforethemRNAtranscribedfromagenecanbeusedtotranslateintoaprotein,itmustbe A) editedtoremoveintrons. B) editedtoremoveexons. C) transportedintothecytoplasm. D) bothAandC E) bothBandC Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
107) Microscopicanalysisofatissuesampleindicatesthatitcontainsabundantmyosinandactinfilaments.This tissueisprobablyformedfrom A) nervecells. B) reproductivecells. C) bonecells. D) musclecells. E) livercells. Answer: DDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
108) Examinationofasampleofglandularcellsrevealsanextensivenetworkofsmoothendoplasmicreticulum. Whichofthefollowingisthelikeliestproductofthesecells? A) digestiveenzymes B) steroidhormones C) proteinhormones D) transportproteins E) antibodies Answer: BDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
109) Breathingfasteranddeepereliminatesmorecarbondioxidefromthebodythannormalbreathing.Underthese circumstances A) morecarbondioxidewilldiffuseoutoftheblood. B) morecarbondioxidewilldiffuseintotheblood. C) lesscarbondioxidewilldiffuseoutoftheblood. D) lesscarbondioxidewilldiffuseintotheblood. E) theamountofcarbondioxidediffusionwillremainunchanged. Answer: ADiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
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110) Amembranetransportprocessisfoundexperimentallytohaveasaturationlimit.Whichofthefollowingisa possiblepropertyoftheprocess? A) energy-dependent B) carrier-mediated C) cotransport D) activetransport E) alloftheabove Answer: EDiff:3 Skill: Level3Questions:CriticalThinking&ClinicalApplications
111) Inaseriesofmeasurementsofrestingtransmembranepotentials,thefollowingvalueswererecorded.Which oneislikeliesttobeanerror? A) 10mV B) 20mV C) 40mV D) 70mV E) +100mV Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
112) Mitosisistosomaticcellsasmeiosisisto A) visceralcells. B) reproductivecells. C) plantcells. D) sensorycells. E) stemcells. Answer: BDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
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Figure3-1TheAnatomyofaRepresentativeCell UseFigure3-1toanswerthefollowingquestion(s): 113) Whichstructureorganizesthemitoticspindleduringcelldivision? A) 1 B) 2 C) 3 D) 5 E) 6 Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
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114) Synthesisofcarbohydratesandlipidsoccursinthestructurelabeled A) 4. B) 5. C) 6. D) 7. E) 8. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
115) WhichstructureproducesATPforthecell? A) 1 B) 2 C) 3 D) 5 E) 6 Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
116) Whichorganellerenewsthecellmembraneandmodifiesandpackagesproteinsforsecretion? A) 4 B) 5 C) 6 D) 7 E) 8 Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
117) Thestructurelabeled1permitsthecellto A) attachtoneighboringcells. B) producemorecells. C) increasesurfaceareaforincreasedmembranetransport. D) swiminextracellularfluid. E) trapbacteria. Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
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Figure3-2ThePlasmalemma UseFigure3-2toanswerthefollowingquestion(s): 118) Whichstructureiswatermostlikelytopassthrough? A) 1 B) 2 C) 3 D) 4 E) 8 Answer: BDiff:2 Skill: Level2Questions:ReviewingConcepts
119) Whichstructurehasagatetocontroltransport? A) 1 B) 2 C) 4 D) 7 E) 8 Answer: EDiff:2 Skill: Level2Questions:ReviewingConcepts
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120) Microfilamentsarelabeled A) 1. B) 2. C) 3. D) 5. E) 6. Answer: DDiff:2 Skill: Level2Questions:ReviewingConcepts
121) Lipidmoleculespassintothecellthroughthestructurelabeled A) 1. B) 2. C) 3. D) 5. E) 6. Answer: ADiff:2 Skill: Level2Questions:ReviewingConcepts
122) Whatpartoftheplasmalemmaishydrophobic? A) 1 B) 2 C) 3 D) 4 E) 6 Answer: CDiff:2 Skill: Level2Questions:ReviewingConcepts
ShortAnswerQuestions1) Thecytoplasmcontainsthefluid________andthesuspended________. Answer: cytosol;organellesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
2) Massesofinsolublematerialthataresometimesfoundincytosolareknownas________. Answer: inclusionsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
3) ________cellsareallofthecellsofthebodyexceptthereproductivecells(spermandoocytes). Answer: SomaticDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
4) Theendoplasmicreticulumisanexampleofa(n)________organelle. Answer: membranousDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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5) Theextracellularfluidinmosttissuesiscalledthe________fluid. Answer: interstitialDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
6) Ciliaandflagellacontain9pairsof________surroundingacentralpair. Answer: microtubulesDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
7) Ribosomesarecomposedofproteinand________. Answer: rRNADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
8) Thenucleusissurroundedbythe________. Answer: nuclearenvelopeDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
9) TransferofmRNAfromthenucleustothecytosoloccursthrough________. Answer: nuclearporesDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
10) Amoleculeof________containsallthecodonsneededtoproduceaparticularpolypeptide. Answer: mRNADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
11) Theenzyme________isrequiredforthesynthesisofmRNA. Answer: RNApolymeraseDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
12) Aminoacidsaretransferredtotheribosometobeincorporatedintoagrowingpolypeptidechainby________. Answer: tRNADiff:1 Skill: Level1Questions:ReviewingFactsandTerms
13) Duringthesynthesisofproteins,aminoacidsareassembledinthepropersequencebecauseeachtRNA moleculethatbringsthemtotheribosomehasa(n)________thatbindstoacomplementarycodoninthe mRNA. Answer: anticodonDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
14) Thestartofeachgenebeginswitha________segment. Answer: promoterDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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15) A(n)________isaseriesofribosomesattachedtothesamemRNA. Answer: polyribosomeorpolysomeDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
16) ________arepermanentalterationsinacellsDNAthataffectthenucleotidesequenceofoneormoregenes. Answer: MutationsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
17) Apointmutationinvolvesachangein________. Answer: asinglenucleotideDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
18) Incellsthatarenotdividing,chromosomesuncoiltoformatangleoffinefibersknownas________. Answer: chromatinDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
19) ________channelscanopenorclosetoregulatethepassageofmaterialsthroughthecellmembrane. Answer: GatedDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
20) The________ofamembraneindicateshoweasyitisforsubstancestocross. Answer: permeabilityDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
21) Cellmembranesaresaidtobe________becausetheyallowsomesubstancestopassbutnotothers. Answer: selectivelypermeableDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
22) Membrane-boundproteinsthatusemetabolicenergytomoveionsacrosstheplasmalemmaarecalled ________. Answer: ionpumpsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
23) In________onesubstanceistransportedintothecell,andanotheristransportedout. Answer: countertransportorantiportDiff:2 Skill: Level1Questions:ReviewingFactsandTerms
24) Receptormoleculesonthesurfaceofcellsbindspecificmoleculescalled,ingeneral,________. Answer: ligandsDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
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25) Wheneverpositiveandnegativeionshavebeenseparated,a(n)________willbeproduced. Answer: potentialdifferenceDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
26) Thepotentialdifferenceacrossthecellmembraneisknownasthe________. Answer: transmembranepotentialDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
27) Thetransmembranepotentialinanundisturbedcelliscalledits________. Answer: restingmembranepotentialDiff:1 Skill: Level1Questions:ReviewingFactsandTerms
28) Nucleardivisionofsoma