Clinical Microscopy (Analysis Of Urine And Other Body Fluids)

50 Questions | By Tyrosine | Updated: Mar 21, 2022 | Attempts: 1156

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Clinical Microscopy (Analysis Of Urine And Other Body Fluids) - Quiz

Questions and Answers

1.

The fluid leaving the glomerulus has a specific gravity of:
- A.
  
  1.005
- B.
  
  1.010
- C.
  
  1.015
- D.
  
  1.020
2.

The average total volume of urine produced by a normal adult every 24 hours is about:
- A.
  
  750
- B.
  
  1200
- C.
  
  2000
- D.
  
  2400
3.

The primary chemical affected by the renin-angiotensin-aldosterone system is:
- A.
  
  Chloride
- B.
  
  Sodium
- C.
  
  Potassium
- D.
  
  Hydrogen
4.

An abnormal decrease in urine production is called:
- A.
  
  Anuria
- B.
  
  Oliguria
- C.
  
  Polyuria
- D.
  
  Dysuria
5.

Cloudiness in a freshly-voided urine could indicate the presence of:
- A.
  
  Protein
- B.
  
  Sugar
- C.
  
  WBCs
- D.
  
  Any of these
6.

What are the variables included in the Cockgroft and Gault formula for creatinine clearance? 1. Age 3. Urine creatinine 2. Sex 4. Body weight
- A.
  
  1, 2 and 3
- B.
  
  1 and 3
- C.
  
  1, 2 and 4
- D.
  
  1, 2, 3 and 4
7.

Which of these plasma substances is NOT normally filtered through the glomerulus in significant amounts?
- A.
  
  Protein
- B.
  
  Glucose
- C.
  
  Creatinine
- D.
  
  Urea
8.

Which term is defined as a urine volume in excess of 2000 mL excreted over a 24-hour period?
- A.
  
  Anuria
- B.
  
  Oliguria
- C.
  
  Polyuria
- D.
  
  Hypersthenuria
9.

Which term is defined as a urine volume in excess of 2000 mL excreted over a 24-hour period?
- A.
  
  Anuria
- B.
  
  Oliguria
- C.
  
  Polyuria
- D.
  
  Hypersthenuria
10.

Why is the first-voided morning urine specimen the most desirable specimen for routine urinalysis?
- A.
  
  Most dilute specimen of the day
- B.
  
  Less contamination by microorganisms
- C.
  
  It can detect orthostatic proteinuria
- D.
  
  Most concentrated specimen of the day
11.

Freshly voided normal urine is usually clear; however, if it is alkaline, a white turbidity may be present due to:
- A.
  
  Yeast cells
- B.
  
  Uroerythrin
- C.
  
  WBCs
- D.
  
  Amorphous phosphates
12.

A strong odor of cabbage in a urine specimen could indicate:
- A.
  
  Methionine malabsorption
- B.
  
  Trimethylaminuria
- C.
  
  Phenylketonuria
- D.
  
  Tyrosyluria
13.

A specimen with a strong ammonia odor and a heavy white precipitate when it arrives in the laboratory may require:
- A.
  
  Collection of a fresh specimen
- B.
  
  Centrifugation
- C.
  
  Dilution for specific gravity
- D.
  
  Testing under a hood
14.

A correlation exists between a specific gravity of 1.050 and a:
- A.
  
  2+ protein
- B.
  
  2+ glucose
- C.
  
  Radiographic dye infusion
- D.
  
  First morning specimen
15.

A yellow-brown specimen that produces a yellow foam when shaken can be suspected of containing:
- A.
  
  Carrots
- B.
  
  Hemoglobin
- C.
  
  Rhubarb
- D.
  
  Bilirubin
16.

A patient with a 1+ protein reading in the afternoon is asked to submit a first morning specimen. The second specimen also has a 1+ protein. This patient is:
- A.
  
  Positive for orthostatic proteinuria
- B.
  
  Negative for orthostatic proteinuria
- C.
  
  Positive for Bence Jones proteinuria
- D.
  
  Negative for clinical proteinuria
17.

Urinalysis on a patient with severe back and abnominal pain is frequently performed to check for:
- A.
  
  Bilirubinuria
- B.
  
  Proteinuria
- C.
  
  Hematuria
- D.
  
  Hemoglobinuria
18.

Reagent strip – specific gravity readings are affected by:
- A.
  
  Glucose
- B.
  
  Radiographic dye
- C.
  
  Alkaline urine
- D.
  
  All of the above
19.

The reagent strip reaction that requires the longest reaction time is:
- A.
  
  Bilirubin
- B.
  
  Leukocyte esterase
- C.
  
  PH
- D.
  
  Glucose
20.

The enzyme dipstick test for glucose has a sensitivity of:
- A.
  
  10 mg/dL
- B.
  
  50 mg/dL
- C.
  
  100 mg/dL
- D.
  
  200 mg/dL
21.

Which of the following is true of the detection of urinary glucose?
- A.
  
  Any reducing substance can give a false positive reaction w/ copper reduction test for glucose
- B.
  
  The copper reduction method is specific for glucose
- C.
  
  Glucose cannot appear in the urine in the absence of elevated plasma glucose
- D.
  
  Ketonuria may produce a false positive dipstick test for glucose
22.

Which of the reagents below is used to detect urobilinogen in urine?
- A.
  
  P-Dinitrobenzene
- B.
  
  P-Aminosalicylate
- C.
  
  P-Dichloroaniline
- D.
  
  P-Dimethylaminobenzaldehyde
23.

All of the statements below regarding urine bilirubin tests are true EXCEPT:
- A.
  
  A positive test indicates either liver or hepatobiliary disease
- B.
  
  The test detects only conjugated bilirubin
- C.
  
  High levels of ascorbate usually do not interfere
- D.
  
  Standing urine may become falsely negative due to bacterial hydrolysis
24.

A positive test for blood in urine can occur in the following EXCEPT:
- A.
  
  Extravascular hemolytic anemia
- B.
  
  Crush injury
- C.
  
  Malignancy of the kidney or urinary system
- D.
  
  Renal calculi
25.

Which of the following is the major organic substance found in urine?
- A.
  
  Sodium
- B.
  
  Glucose
- C.
  
  Chloride
- D.
  
  Urea