Urinalysis and Body Fluids Certification Question
1.An abdominal fluid is submitted from surgery. The physician wants to
de- termine if this fluid could be urine. The technologist should:
A. perform a culture
B. smell the fluid
C. test for urea, creatinine, sodium and chloride
D. test for protein, glucose and pH: C
2.The clarity of a urine sample should be determined:
A. using glass tubes only, never plastic
B. following thorough mixing of the specimen
C. after addition of sulfosalicylic acid
D. after the specimen cools to room temperature: B
3.A sperm count is diluted 1:20 and 50 sperm are counted in two large
squares of the Neubauer counting chamber. The sperm count in mLs is:
A. 5000
B. 50,000
C. 500,000
D. 5,000,000: D
4.A physician attempts to aspirate a knee joint and obtains 0.1 mL of
slightly bloody fluid. Addition of acetic acid results in turbidity and a clot.
This indi- cates that:
A. the fluid is synovial fluid
B. plasma was obtained
C. red blood cells caused a false positive reaction
D. the specimen is not adequate: A
5.A clean-catch urine sample is submitted to the laboratory for routine
urinal- ysis and culture. The routine urinalysis is done first, and the
specimen is then sent to microbiology for culture. The specimen should:
A. be centrifuged and the supernatant cultured
B. be rejected due to possible contamination from routine urinalysis
C. not be cultured if no bacteria are seen
D. be immediately processed for culture regardless of urinalysis results: B
6.A reagent strip area impregnated with stabilized, diazotized 2,4-
dichloroani- line will yield a positive reaction with:
A. bilirubin
B. hemoglobin
C. ketones
D. urobilinogen: A
7.Which of the following components is/are present in serum but NOT
,present in the glomerular filtrate?
A. glucose
B. amino acids
C. urea
D. large molecular weight proteins: D
8.An antidiuretic hormone deficiency is associated with a:
A. specific gravity around 1.031
B. low specific gravity
C. high specific gravity
D. variable specific gravity: B
9.Urine reagent strips should be stored in a(n):
A. refrigerator (4°C-7°C)
B. incubator (37°C)
C. cool dry area
D. open jar exposed to air: C
10.Patients with diabetes mellitus have urine with:
A. decreased volume and decreased specific gravity
B. decreased volume and increased specific gravity
C. increased volume and decreased specific gravity
D. increased volume and increased specific gravity: D
11.The primary constituent of hyaline casts is:
A. fat
B. cells
C. protein
D. mucus: C
12.A component seen during a microscopic urinalysis stains positively
with Sudan III stain but does not polarize. This most likely is a:
A. cholesterol ester
B. neutral fat
C. lipid
D. leucine: B
13.The amber yellow color of urine is primarily due to:
A. urochrome pigment
B. methemoglobin
C. bilirubin
D. homogentisic acid: A
14.Waxy casts are most easily differentiated from hyaline casts by their:
A. color
B. size
, C. granules
D. refractivity: D
15.In most compound light microscopes, the ocular lens has a
magnification of:
A. 10x
B. 40x
C. 50x
D. 100x: A
16.A patient with renal tubular acidosis would most likely excrete a urine
with a:
A. low pH
B. high pH
C. neutral pH
D. variable pH: B
17.The sequence of light through a microscope is:
A. condenser, stage, objective
B. iris diaphragm, condenser, ocular
C. stage, condenser, iris, objective, ocular
D. diaphragm, condenser, objective, ocular: D
18.To prepare a solution appropriate for quality control of the
refractometer, a technician should use:
A. urea with a specific gravity of 1.040
B. water with a specific gravity of 1.005
C. sodium chloride with a specific gravity of 1.022
D. calcium chloride with an osmolarity of 460: C
19.Small round objects found in a urine sediment that dissolve after
addition of dilute acetic acid and do not polarize most likely are:
A. air bubbles
B. calcium oxalate
C. RBCs
D. yeast cells: C
20.To prepare the reagent used in confirmatory protein testing, a
technician would:
A. dissolve 3 g sulfosalicylic acid in 100 mL of water
B. dissolve 5 g trichloracetic acid in 100 mL of water
C. combine 3 mL of hydrochloric acid and 97 mL of water
D. combine 5 mL of glacial acetic acid and 95 mL of water`: A
21.A micropipet graduated to the tip and calibrated to contain should:
A. be drained
1.An abdominal fluid is submitted from surgery. The physician wants to
de- termine if this fluid could be urine. The technologist should:
A. perform a culture
B. smell the fluid
C. test for urea, creatinine, sodium and chloride
D. test for protein, glucose and pH: C
2.The clarity of a urine sample should be determined:
A. using glass tubes only, never plastic
B. following thorough mixing of the specimen
C. after addition of sulfosalicylic acid
D. after the specimen cools to room temperature: B
3.A sperm count is diluted 1:20 and 50 sperm are counted in two large
squares of the Neubauer counting chamber. The sperm count in mLs is:
A. 5000
B. 50,000
C. 500,000
D. 5,000,000: D
4.A physician attempts to aspirate a knee joint and obtains 0.1 mL of
slightly bloody fluid. Addition of acetic acid results in turbidity and a clot.
This indi- cates that:
A. the fluid is synovial fluid
B. plasma was obtained
C. red blood cells caused a false positive reaction
D. the specimen is not adequate: A
5.A clean-catch urine sample is submitted to the laboratory for routine
urinal- ysis and culture. The routine urinalysis is done first, and the
specimen is then sent to microbiology for culture. The specimen should:
A. be centrifuged and the supernatant cultured
B. be rejected due to possible contamination from routine urinalysis
C. not be cultured if no bacteria are seen
D. be immediately processed for culture regardless of urinalysis results: B
6.A reagent strip area impregnated with stabilized, diazotized 2,4-
dichloroani- line will yield a positive reaction with:
A. bilirubin
B. hemoglobin
C. ketones
D. urobilinogen: A
7.Which of the following components is/are present in serum but NOT
,present in the glomerular filtrate?
A. glucose
B. amino acids
C. urea
D. large molecular weight proteins: D
8.An antidiuretic hormone deficiency is associated with a:
A. specific gravity around 1.031
B. low specific gravity
C. high specific gravity
D. variable specific gravity: B
9.Urine reagent strips should be stored in a(n):
A. refrigerator (4°C-7°C)
B. incubator (37°C)
C. cool dry area
D. open jar exposed to air: C
10.Patients with diabetes mellitus have urine with:
A. decreased volume and decreased specific gravity
B. decreased volume and increased specific gravity
C. increased volume and decreased specific gravity
D. increased volume and increased specific gravity: D
11.The primary constituent of hyaline casts is:
A. fat
B. cells
C. protein
D. mucus: C
12.A component seen during a microscopic urinalysis stains positively
with Sudan III stain but does not polarize. This most likely is a:
A. cholesterol ester
B. neutral fat
C. lipid
D. leucine: B
13.The amber yellow color of urine is primarily due to:
A. urochrome pigment
B. methemoglobin
C. bilirubin
D. homogentisic acid: A
14.Waxy casts are most easily differentiated from hyaline casts by their:
A. color
B. size
, C. granules
D. refractivity: D
15.In most compound light microscopes, the ocular lens has a
magnification of:
A. 10x
B. 40x
C. 50x
D. 100x: A
16.A patient with renal tubular acidosis would most likely excrete a urine
with a:
A. low pH
B. high pH
C. neutral pH
D. variable pH: B
17.The sequence of light through a microscope is:
A. condenser, stage, objective
B. iris diaphragm, condenser, ocular
C. stage, condenser, iris, objective, ocular
D. diaphragm, condenser, objective, ocular: D
18.To prepare a solution appropriate for quality control of the
refractometer, a technician should use:
A. urea with a specific gravity of 1.040
B. water with a specific gravity of 1.005
C. sodium chloride with a specific gravity of 1.022
D. calcium chloride with an osmolarity of 460: C
19.Small round objects found in a urine sediment that dissolve after
addition of dilute acetic acid and do not polarize most likely are:
A. air bubbles
B. calcium oxalate
C. RBCs
D. yeast cells: C
20.To prepare the reagent used in confirmatory protein testing, a
technician would:
A. dissolve 3 g sulfosalicylic acid in 100 mL of water
B. dissolve 5 g trichloracetic acid in 100 mL of water
C. combine 3 mL of hydrochloric acid and 97 mL of water
D. combine 5 mL of glacial acetic acid and 95 mL of water`: A
21.A micropipet graduated to the tip and calibrated to contain should:
A. be drained