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© 2013 Pearson Education, Inc.
Chapter 15: Microbial Mechanisms of Pathogenicity
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Portals of Entry
Bacterial Pathogens
Viral Pathogens
Eukaryotic Pathogens
Portals ofExit
FINAL ROUND
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$100 Question
Which portal of entry is most often used by microorganisms?
a. parenteral route
b. mucous membranes of the respiratory route
c. mucous membranes of the conjunctiva
d. skin
ANSWER
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$100 Answer
Which portal of entry is most often used by microorganisms?
a. parenteral route
b. mucous membranes of the respiratory route
c. mucous membranes of the conjunctiva
d. skin
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$200 Question
Which of the following diseases utilizes the respiratory tract as its portal of entry?
a. giardiasis
b. hepatitis
c. influenza
d. cholera
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$200 Answer
Which of the following diseases utilizes the respiratory tract as its portal of entry?
a. giardiasis
b. hepatitis
c. influenza
d. cholera
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$300 Question
One disease that can be transmitted by the parenteral route is
a. tetanus.
b. trachoma.
c. influenza.
d. tuberculosis.
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$300 Answer
One disease that can be transmitted by the parenteral route is
a. tetanus.
b. trachoma.
c. influenza.
d. tuberculosis.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$400 Question
What is the portal of entry for chlamydia?
a. genitourinary route
b. gastrointestinal route
c. skin
d. respiratory route
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$400 Answer
What is the portal of entry for chlamydia?
a. genitourinary route
b. gastrointestinal route
c. skin
d. respiratory route
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$500 Question
When pathogens enter the skin, they usually
a. enter through the hair follicles and sweat ducts.
b. penetrate intact skin.
c. are injected into the skin.
d. adhere to the skin and then penetrate the skin.
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 1: Portals of Entry
$500 Answer
When pathogens enter the skin, they usually
a. enter through the hair follicles and sweat ducts.
b. penetrate intact skin.
c. are injected into the skin.
d. adhere to the skin and then penetrate the skin.
BACK TO GAME
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All gram-negative bacteria contain
a. exotoxins.
b. endotoxins.
c. siderophores.
d. IgA protease.
Topic 2: Bacterial Pathogens
$100 Question
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$100 Answer
All gram-negative bacteria contain
a. exotoxins.
b. endotoxins.
c. siderophores.
d. IgA protease.
BACK TO GAME
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© 2013 Pearson Education, Inc.
What is the action of kinases?
a. coagulate fibrinogen
b. hydrolyze hyaluronic acid
c. break down fibrin
d. break down collagen
Topic 2: Bacterial Pathogens
$200 Question
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
What is the action of kinases?
a. coagulate fibrinogen
b. hydrolyze hyaluronic acid
c. break down fibrin
d. break down collagen
Topic 2: Bacterial Pathogens
$200 Answer
BACK TO GAME
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© 2013 Pearson Education, Inc.
Which organism produces an exotoxin?
a. Proteus spp.
b. Neisseria meningitidis
c. Staphylococcus aureus
d. Salmonella typhi
Topic 2: Bacterial Pathogens
$300 Question
BACK TO GAME
ANSWER
![Page 17: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/17.jpg)
© 2013 Pearson Education, Inc.
Which organism produces an exotoxin?
a. Proteus spp.
b. Neisseria meningitidis
c. Staphylococcus aureus
d. Salmonella typhi
Topic 2: Bacterial Pathogens
$300 Answer
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$400 Question
BACK TO GAME
ANSWER
Which organism produces erythrogenic toxin?
a. Staphylococcus aureus
b. Streptococcus pyogenes
c. Vibrio cholerae
d. Corynebacterium diphtheriae
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© 2013 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$400 Answer
BACK TO GAME
Which organism produces erythrogenic toxin?
a. Staphylococcus aureus
b. Streptococcus pyogenes
c. Vibrio cholerae
d. Corynebacterium diphtheriae
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© 2013 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$500 Question
Clostridium tetani causes the disease tetanus by producing a(n)
a. endotoxin.
b. exotoxin.
c. capsule.
d. enzyme.
BACK TO GAME
ANSWER
![Page 21: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/21.jpg)
© 2013 Pearson Education, Inc.
Topic 2: Bacterial Pathogens
$500 Answer
Clostridium tetani causes the disease tetanus by producing a(n)
a. endotoxin.
b. exotoxin.
c. capsule.
d. enzyme.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$100 Question
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus
b. herpes simplex virus
c. rabies virus
d. measles virus
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$100 Answer
Which virus irreversibly stops mitosis?
a. human immunodeficiency virus
b. herpes simplex virus
c. rabies virus
d. measles virus
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$200 Question
Which virus causes basophilic inclusion bodies to accumulate in the nucleus?
a. adenovirus
b. rhabdovirus
c. papovavirus
d. cytomegalovirus
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$200 Answer
Which virus causes basophilic inclusion bodies to accumulate in the nucleus?
a. adenovirus
b. rhabdovirus
c. papovavirus
d. cytomegalovirus
BACK TO GAME
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© 2013 Pearson Education, Inc.
Which of the following refers to the visible effects of a viral infection?
a. lysogenic conversion
b. lysogenic effects
c. cytopathic effects
d. cytopathic conversion
Topic 3: Viral Pathogens
$300 Question
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$300 Answer
Which of the following refers to the visible effects of a viral infection?
a. lysogenic conversion
b. lysogenic effects
c. cytopathic effects
d. cytopathic conversion
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$400 Question
What are the granules found in the cytoplasm or nucleus of some virus-infected cells?
a. ribosomes
b. mitochondria
c. lysosomes
d. inclusion bodies
BACK TO GAME
ANSWER
![Page 29: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/29.jpg)
© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$400 Answer
BACK TO GAME
What are the granules found in the cytoplasm or nucleus of some virus-infected cells?
a. ribosomes
b. mitochondria
c. lysosomes
d. inclusion bodies
![Page 30: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/30.jpg)
© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$500 Question
Why is it difficult for antibodies to destroy HIV?
a. HIV undergoes antigenic variation when an antibody binds to the virion.
b. HIV infects and destroys the immune cells that produce and synthesize antibodies.
c. They cannot reach the binding site for CD4 on the surface of the virus.
d. Antibodies that target HIV are not produced by the host.
BACK TO GAME
ANSWER
![Page 31: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/31.jpg)
© 2013 Pearson Education, Inc.
Topic 3: Viral Pathogens
$500 Answer
Why is it difficult for antibodies to destroy HIV?
a. HIV undergoes antigenic variation when an antibody binds to the virion.
b. HIV infects and destroys the immune cells that produce and synthesize antibodies.
c. They cannot reach the binding site for CD4 on the surface of the virus.
d. Antibodies that target HIV are not produced by the host.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$100 Question
Which of the following does NOT contribute to fungal disease?
a. cell walls
b. toxins
c. capsules
d. allergic response of the host
BACK TO GAME
ANSWER
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© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$100 Answer
Which of the following does NOT contribute to fungal disease?
a. cell walls
b. toxins
c. capsules
d. allergic response of the host
BACK TO GAME
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Topic 4: Eukaryotic Organisms
$200 Question
What type of organism produces saxitoxin?
a. helminth
b. alga
c. fungus
d. protozoan
ANSWER
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$200 Answer
What type of organism produces saxitoxin?
a. helminth
b. alga
c. fungus
d. protozoan
BACK TO GAME
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Topic 4: Eukaryotic Organisms
$300 Question
Which of the following toxins is an alkaloid that can cause hallucinations resembling those produced by LSD?
a. aflatoxin
b. ergot
c. phalloidin
d. amanitin
BACK TO GAME
ANSWER
![Page 37: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/37.jpg)
© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$300 Answer
Which of the following toxins is an alkaloid that can cause hallucinations resembling those produced by LSD?
a. aflatoxin
b. ergot
c. phalloidin
d. amanitin
BACK TO GAME
![Page 38: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/38.jpg)
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Topic 4: Eukaryotic Organisms
$400 Question
Which of the following eukaryotic organisms can attach to a host by a sucking disc?
a. Candida albicans
b. Entamoeba histolytica
c. Giardia lamblia
d. Plasmodium malariae
BACK TO GAME
ANSWER
![Page 39: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/39.jpg)
© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$400 Answer
BACK TO GAME
Which of the following eukaryotic organisms can attach to a host by a sucking disc?
a. Candida albicans
b. Entamoeba histolytica
c. Giardia lamblia
d. Plasmodium malariae
![Page 40: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/40.jpg)
© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$500 Question
What is the causative agent of elephantiasis?
a. Entamoeba histolytica
b. Candida albicans
c. Cryptococcus neoformans
d. Wuchereria bancrofti
BACK TO GAME
ANSWER
![Page 41: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/41.jpg)
© 2013 Pearson Education, Inc.
Topic 4: Eukaryotic Organisms
$500 Answer
What is the causative agent of elephantiasis?
a. Entamoeba histolytica
b. Candida albicans
c. Cryptococcus neoformans
d. Wuchereria bancrofti
BACK TO GAME
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Topic 5: Portal of Exit
$100 Question
Arthropods provide a portal of exit for microbes in
a. skin.
b. blood.
c. respiratory tract.
d. genitourinary tract.
BACK TO GAME
ANSWER
![Page 43: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/43.jpg)
© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$100 Answer
Arthropods provide a portal of exit for microbes in
a. skin.
b. blood.
c. respiratory tract.
d. genitourinary tract.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$200 Question
Sneezing is a portal of exit for the
a. gastrointestinal tract.
b. respiratory tract.
c. blood.
d. genitourinary tract.
BACK TO GAME
ANSWER
![Page 45: © 2013 Pearson Education, Inc. Chapter 15: Microbial Mechanisms of Pathogenicity $100 $200 $300 $400 $500 $100$100$100 $200 $300 $400 $500 Portals of Entry](https://reader035.vdocuments.us/reader035/viewer/2022062300/56649e4c5503460f94b411f4/html5/thumbnails/45.jpg)
© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$200 Answer
Sneezing is a portal of exit for the
a. gastrointestinal tract.
b. respiratory tract.
c. blood.
d. genitourinary tract.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$300 Question
Pathogens that are discharged from the respiratory tract cause what disease?
a. salmonella
b. whooping cough
c. poliomyelitis
d. rabies
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ANSWER
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Topic 5: Portal of Exit
$300 Answer
BACK TO GAME
Pathogens that are discharged from the respiratory tract cause what disease?
a. salmonella
b. whooping cough
c. poliomyelitis
d. rabies
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Topic 5: Portal of Exit
$400 Question
Infections transmitted from the skin include
a. yaws.
b. tularemia.
c. yellow fever.
d. plague.
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ANSWER
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© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$400 Answer
Infections transmitted from the skin include
a. yaws.
b. tularemia.
c. yellow fever.
d. plague.
BACK TO GAME
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© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$500 Question
Which of the following diseases can be transmitted by a biting insect?
a. shigellosis
b. mumps
c. tularemia
d. chickenpox
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ANSWER
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© 2013 Pearson Education, Inc.
Topic 5: Portal of Exit
$500 Answer
Which of the following diseases can be transmitted by a biting insect?
a. shigellosis
b. mumps
c. tularemia
d. chickenpox
BACK TO GAME
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FINAL ROUND Question
Septic shock can result from using antibiotics to treat
a. gram-negative bacterial infections.
b. fungal infections.
c. viral infections.
d. protozoan infections.
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ANSWER
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© 2013 Pearson Education, Inc.
FINAL ROUND Answer
Septic shock can result from using antibiotics to treat
a. gram-negative bacterial infections.
b. fungal infections.
c. viral infections.
d. protozoan infections.
.
BACK TO GAME