INSTRUCTIONS: Choose the best answer. ONLY ONE ANSWER SHOULD BE SELECTED STRICTLY NO ERASURES, ALTERATIONS OR SUPERIMPOSITIONS ALLOWED Refrain from talking to your seatmates. Cellphones, tablets or any sort of electronic device are NOT ALLOWED during the course of the exam. Write your final answers in the answer sheet provided. The questionnaire may serve as your scratch paper. Dont forget to pray before and after the exams. God bless.

I. MULTIPLE CHOICES: Choose the best answer.

1.) In urine analysis, specimens must be collected in: a. Clean, dry container w/ snap-on lidsc. wide mouth w/ screw top lidsb. Wide mouth, clean, dry glassd. leak-proof container w/ snap-on lids

2.) When a urine specimen is allowed to stand at room temperature, which one of the following does not occur? a. disappearance of formed elementsc. false positive glucoseb.elevation of phd. false positive protein

3.) Which of the following urine specimen should be rejected by the laboratorya. Specific gravity of 1.000c. urine phof 8.0b. Containers w/ contaminated exteriorsd. urine tested after an hour but not longer than 2 hours

4.) The most routinely used method in specimen preservationa. Formalinc. refrigerationb. Boric acidd. thymol

5.) This pigment causes port-wine coloration of urinea. Porphyrinsc. urochromeb. Uroerythrind. urobilin

6.) A normal urine specimen has a specific gravity of:a. 1.005 1.010c. 1.005 1.035b. 1.000 1.035d. 1.000 1.010

7.) An acid urine may be caused by which of the followinga. Hyperventilationc. starvationb. Vomitingd. vegetarian diet

8.) Cloudiness in a freshly voided urine could indicate the presence of:a. proteinb. sugarc. wbcd. any of the above

9.) The first morning specimen is often tested because this specimen:a. contains the most formed elementsc.is most likely to contain proteinb. is freshd.will display the phenomenon alkaline tide

10.) What is the ideal screening specimena. Random specimenc. second specimenb. 8-hour specimend. timed specimen

II. TRUE or FALSE: Write T if the statement is TRUE. If it is FALSE, underline the word/statement which makes it wrong and supply the correct answer.

1.) A urine container has a recommended capacity of 50ml which allows an average of 15ml urine specimen needed for microscopic analysis._____________________________________________________________________________________

2.) An improperly preserved specimen causes decrease in glucose due to volatilization and bacterial consumption._____________________________________________________________________________________

3.) An increased in daily urine output, exceeding 2L/ day is coined as polyuria_____________________________________________________________________________________

4.) Fruity odor urine is associated with Diabetes mellitus_____________________________________________________________________________________5.) Urinometer is more a accurate method for determining specific gravity compared to refractometer_____________________________________________________________________________________6.) Bence-Jones Protein precipitates at 40-60 c and disappears at 100c_____________________________________________________________________________________

7.) Albumin is the only protein detected by the reagent strip since it is the only protein capable of passing the Glomerulus_____________________________________________________________________________________

8.) Both conjugated and unconjugated form of bilirubin can appear in the urine_____________________________________________________________________________________

9.) Hydrogen ion concentration is directly related to pH_____________________________________________________________________________________

10.) In Scwartz-Watson Differentiation test, urobilinogen is extractable in both butanol and chloroform_____________________________________________________________________________________

III. MULTIPLE CHOICES

1.) The following are grounds for specimen rejectionI. Unlabeled containersIII. Formalin used for Addis countII. Contaminated w/ fecesIV. Timed specimen for glucose monitoringa. I, II, IIIc. I, II, IVb. I, III, IVd. II, III, IV

2.) The following are analytes which increases in improperly preserved urineI. OdorIII. pHV. clarityII. NitriteIV. BacteriaVI. Urobilinogena. I, II, III, IVc. I, III, V, VIb. III, IV, V, VId. II, III, IV, VI

3.) Ascorbic Acid causes false negative to the following parametersI. BloodIII. BilirubinV. Glucose II. pHIV. KetoneVI. L.Ea. II, III, VIc. I, II, IIIb. II, IV, VId. I, III, V

4.) The following causes port-wine colored urineI. PorphyrinsIII. BeetsII. UroerythrinIV. Blackberriesa. II, III, IVc. I, III, IVb. I, II, III d. I, II, IV

5.) A 20C specimen containing 1g/dL of protein and 1g/dL of glucose has a specific gravity of 1.030 when using a refractometer. Calculate the correct reading.a. 1.022b. 1.023 c. 1.024d. 1.0256.) Using a urinometer, a urine specimen with a temperature of 14C has a specific gravity reading of 1.020. calculate the corrected reading.a. 1.019b. 1.017c. 1.020d. 1.018

7.) What is the renal threshold for glucosea. 160-180mg/dLc. 60-80mg/dLb. 160-180g/dLd. 60-80g/dL

8.) A (+) Clinitest and (+) reagent strip indicates presence ofa. Glucosec. false positive reactionb. Non-glucose reducing sugard. NOTA

9.) A (+) Clinitest and (-) reagent strip indicates presence ofa. Glucosec. false positive reactionb. Non-glucose reducing sugard. NOTA

10.) At a temperature of 26 C , a urine specific reads 1.014. if a temperature correction is employed, what would the corrected specific gravity be?a. 1.015b. 1.011c. 1.016d. 1.010

11.) Reagent used for Blondheims Test a. 2.8 mg ammonium sulfatec. 2.8 mg sodium sulfateb. 2.8 g ammonium sulfated. 2.8 g sodium sulfate

12.) Which ketone body has the highest concentrationa. Acetonec. acetoacetic acidb. Beta-hydroxybutyric acidd. diacetic acid

13.) What is the highest specific gravity to which the kidney is able to concentrate?a. 1.025b. 1.030c. 1.040d. 1.050

14.) Which of the following may cause a false positive reaction on the glucose reagent strip?a. Galactoseb. lactosec. maltosed. oxidizing agent

15.) The reagent strip test for occult blood depend on the fact that:a. Hemoglobin can act as peroxidaseb. Hgb can release an enzyme from the stripc. Hgb in urine combines w/ oxygen on the strip producing a blue color reactiond. NOTAIV.

V. MATCHING TYPE: Identify and match the following

A. B. 1.) Saccomanno Fixativea. Formalin2.) Few particulates, print easily seen through urineb. Boric Acid3.) Rancid odorc. Cloudy4.) Sweaty feet odord. Three-Glass collection5.) Cabbage odore. Isovaleric Acidemia6.) Rotting fish odorf. Methionine Malabsorption7.) Excellent Sediment preservativeg. Tyrosinemia8.) Best Preservative for formed elementsh. Hazy9.) Many particulates, print blurred through urineI. Trimethylaminuria10.) Type of specimen for prostatic infection determinationj. fixatice for cytologic study

A. B.

1.) Glucosea. 120 sec.2.) Proteinb. Double-indicator system3.) Ketonec. 30 sec.4.) pHd. Ehrlichs reaction5.) bloode. Diazo reaction6.) Specific gravityf. 40 sec.7.) nitriteg. Greiss reaction8.) leukocyte esteraseh. Pseudoperoxidase reaction of Hgb9.) bilirubini. Protein error of indicator10.) urobilinogenj. 45. Sec.