Urinalysis & Medical Microscopy
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- 1.If ammonia is not produced by the distal convoluted tubule, the urine pH will be:
- A.
Acidic
- B.
Basic
- 2.The primary chemical constituents of normal urine are:
- A.
Protein, sodium, and water
- B.
Urea, water, and protein
- C.
Urea , chloride, and water
- D.
Urea, bilirubin, and glucose
- 3.A person exhibiting oliguria would have a daily urine volume of:
- A.
200 - 400 mL
- B.
600 - 1000 mL
- C.
1000 - 1500 mL
- D.
> 1500 mL
- 4.An unpreserved specimen collected at 8 a.m. and remaining at room temperature until the afternoon shift arrives can be expected to have:1. Decreased glucose and ketones 2. Increased bacteria and nitrite 3. Decreased pH and turbidity 4. Increased cellular elements
- A.
1, 2, and 3
- B.
1, 2, and 4
- C.
1 and 2 only
- D.
4 only
- 5.What three changes will affect the results of the microscopic examination of urine if it is not tested within 2 hours?
- A.
Decreased bacteria, decreased red blood cells, decreased casts
- B.
Increased bacteria, increased red blood cells, increased casts
- C.
Increased bacteria, decreased red blood cells, decreased casts
- D.
Decreased bateria, increased red blood cells, increased casts
- 6.Persons taking diuretics can be expected to produce:
- A.
Oliguria
- B.
Polyuria
- C.
Proteinuria
- D.
Pyruria
- 7.The concentration of a normal urine specimen can be estimated by which of the following?
- A.
Colour
- B.
Clarity
- C.
Foam
- D.
Odour
- 8.The normal yellow colour of unrine is produced by:
- A.
Bilirubin
- B.
Haemoglobin
- C.
Uribilinogen
- D.
Urochrom
- 9.A strong odour of ammonia in a urin specimen could indicate:
- A.
Ketones
- B.
Normal
- C.
Phenylketonuria
- D.
Urinary tract infection
- 10.Testing of miceoalbuminuria is valuable for monitoring patients with:
- A.
Hypertension
- B.
Diabetes mellitus
- C.
Cardiovascular disease risk
- D.
All of the above
- 11.The three intermediate products of fat metabolism incluse all of the following except:
- A.
Acetoacetic acid
- B.
Ketoacetic acid
- C.
Beta-hydroxybutyric acid
- D.
Acetone
- 12.The principle of the reagent strip tests for glucose is the:
- A.
Peroxidase activity of glucose
- B.
Glucose oxidase reaction
- C.
Double sequential enzyme reaction
- D.
Dye-binding of glucose and chromogen
- 13.Ketonuria may be caused by all of the following except:
- A.
Bacterial infection
- B.
Diabetic acidosis
- C.
Starvation
- D.
Vomiting
- 14.The principle of the reagent strip test for blood is based on the:
- A.
Binding of heme and a chromogenic dye
- B.
Peroxidase activity of heme
- C.
Reaction of peroxide and chromogen
- D.
Diazo activity of heme
- 15.All of the following can be detected by the leukocyte esterase reaction except:
- A.
Neutrophils
- B.
Eosinophils
- C.
Lymphocytes
- D.
Basophils
- 16.Differentition among RBCs, yeast and oil droplets may be accomplished by all of the following except:
- A.
Observation of budding in yeast cells
- B.
Increased refractility of oil droplets
- C.
Lysis of yeast cells by acetic acid
- D.
Lysis of RBCs by acetic acid
- 17.The finding of yeast cells in the urine is commonly associated with:
- A.
Cystitis
- B.
Diabetes mellitus
- C.
Pyelonephritis
- D.
Liver disorders
- 18.All of the following contribute to the formation of urinary crystals except:
- A.
Protein concentration
- B.
PH
- C.
Solute concentration
- D.
Temperature
- 19.Urine specific gravity is equally influenced by the presence of glucose and sodium
- A.
True
- B.
False
- 20.Disposable containers with a capacity of 50 mL are recommended for the collection of specimens for routine urinalysis
- A.
True
- B.
False
- 21.The compensation field is the test area located on the lower end of the test strip
- A.
True
- B.
False
- 22.Measuring the compensation field corrects the remission of the test areas and prevents false-negative results.
- A.
True
- B.
False
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