Urinalysis & Body Fluids BOC Latest
Edition with Questions and Verified
Solutions graded A+
1. The results of a urinalysis on a first morning specimen are shown in the table.
After viewing uric acid crystals in the centrifuged urine sediment, the laboratorian
should question which of the results?
a. pH
b. protein
c. glucose
d. specific gravity
a. pH
2. A false-negative result may occur for the nitrite reagent test strip pad if the sample:
a. contains a nitrate-reducer
b. is contaminated with skin flora
c. is contaminated with a cleaning agent
d. does not incubate in the bladder long enough
d. does not incubate in the bladder long enough
3. The nitrite reagent test strip pad is most useful in the identification of a bacterial UTI
when evaluated in combination with which of the following test pads?
a. pH
b. occult blood
c. SG
d. leukocyte esterase
d. leukocyte esterase
,4. Despite their presence in a sample, the leukocyte esterase reagent test strip pad would
yield a negative result for which of the following types of WBCs?
a. monocytes
b. eosinophils
c. lymphocytes
d. neutrophils
c. lymphocytes
5. Reagent test strip pads for ketones primarily measure:
a. acetone
b. cholesterol
c. acetoacetic acid
d. beta-hydroxybutyric acid
c. acetoacetic acid
6. Microscopic examination of cellular elements in a urine sediment, such as RBCs, WBCs,
bacteria, and epithelial cells, should be enumerated using:
a. low power (10x objective)
b. high dry power (40x objective)
c. oil immersion (100x objective)
d. phase contrast microscopy
b. high dry power (40x objective)
7. The centrifuged sediment for a random urine sample collected from a 17-year-old
female patient is shown in the photomicrograph.
The reagent test strip is negative for leukocyte esterase and nitrite. The elements seen in
the sediment are most likely the result of:
a. contamination
b. improper preservation
c. a UTI
d. chronic glomerulonephritis
, a. contamination
8. Oval fat bodies are:
a. hyaline casts that contain lipids
b. squamous epithelial cells that contain lipids
c. transitional epithelial cells that contain lipids
d. renal tubular epithelial cells that contain lipids
d. renal tubular epithelial cells that contain lipids
9. Microscopic examination of a urine sediment reveals the presence of ghost cells which
would most likely be associated with a:
a. pH of 6.5
b. SG 1.000
c. ketone concentration of 5 mg/dL
d. glucose concentration of 1000 mg/dL
b. SG 1.000
10. Glitter cells are a microscopic finding of:
A. red blood cells in hypertonic urine
B. red blood cells in hypotonic urine
C. white blood cells in hypertonic urine
D. white blood cells in hypotonic urine
D. white blood cells in hypotonic urine
11. Which of the following cells is most commonly associated with a non-clean-catch
specimen and/or vaginal contamination?
a. WBC
b. renal epithelial cells
c. squamous epithelial cells
d. transitional epithelial cells
c. squamous epithelial cells
12. Identify the elements indicated by the arrows in the photomicrograph:
a. clue cells
Edition with Questions and Verified
Solutions graded A+
1. The results of a urinalysis on a first morning specimen are shown in the table.
After viewing uric acid crystals in the centrifuged urine sediment, the laboratorian
should question which of the results?
a. pH
b. protein
c. glucose
d. specific gravity
a. pH
2. A false-negative result may occur for the nitrite reagent test strip pad if the sample:
a. contains a nitrate-reducer
b. is contaminated with skin flora
c. is contaminated with a cleaning agent
d. does not incubate in the bladder long enough
d. does not incubate in the bladder long enough
3. The nitrite reagent test strip pad is most useful in the identification of a bacterial UTI
when evaluated in combination with which of the following test pads?
a. pH
b. occult blood
c. SG
d. leukocyte esterase
d. leukocyte esterase
,4. Despite their presence in a sample, the leukocyte esterase reagent test strip pad would
yield a negative result for which of the following types of WBCs?
a. monocytes
b. eosinophils
c. lymphocytes
d. neutrophils
c. lymphocytes
5. Reagent test strip pads for ketones primarily measure:
a. acetone
b. cholesterol
c. acetoacetic acid
d. beta-hydroxybutyric acid
c. acetoacetic acid
6. Microscopic examination of cellular elements in a urine sediment, such as RBCs, WBCs,
bacteria, and epithelial cells, should be enumerated using:
a. low power (10x objective)
b. high dry power (40x objective)
c. oil immersion (100x objective)
d. phase contrast microscopy
b. high dry power (40x objective)
7. The centrifuged sediment for a random urine sample collected from a 17-year-old
female patient is shown in the photomicrograph.
The reagent test strip is negative for leukocyte esterase and nitrite. The elements seen in
the sediment are most likely the result of:
a. contamination
b. improper preservation
c. a UTI
d. chronic glomerulonephritis
, a. contamination
8. Oval fat bodies are:
a. hyaline casts that contain lipids
b. squamous epithelial cells that contain lipids
c. transitional epithelial cells that contain lipids
d. renal tubular epithelial cells that contain lipids
d. renal tubular epithelial cells that contain lipids
9. Microscopic examination of a urine sediment reveals the presence of ghost cells which
would most likely be associated with a:
a. pH of 6.5
b. SG 1.000
c. ketone concentration of 5 mg/dL
d. glucose concentration of 1000 mg/dL
b. SG 1.000
10. Glitter cells are a microscopic finding of:
A. red blood cells in hypertonic urine
B. red blood cells in hypotonic urine
C. white blood cells in hypertonic urine
D. white blood cells in hypotonic urine
D. white blood cells in hypotonic urine
11. Which of the following cells is most commonly associated with a non-clean-catch
specimen and/or vaginal contamination?
a. WBC
b. renal epithelial cells
c. squamous epithelial cells
d. transitional epithelial cells
c. squamous epithelial cells
12. Identify the elements indicated by the arrows in the photomicrograph:
a. clue cells
