Urinalysis and Body Fluids Exam With
Verified Questions and Answers
Which of the following would be most affected by allowing a urine sample to sit at room
temperature three hours before analysis?
A. Occult blood
B. pH
C. Specific gravity
D. Protein - answer✔✔B. pH
Which of the following specimens usually eliminates contamination of the urine with entities
from the external genitalia and the distal urethra?
A. First morning specimen
B. Midstream "clean catch" specimen
C. Random specimen
D. 4-hour timed collection - answer✔✔B. Midstream "clean catch" specimen
An unpreserved urine specimen collected at midnight is kept at room temperature until the
morning hospital shift. Which of the following changes will most likely occur?
A. Decrease in urine color and clarity
B. Decrease in pH and specific gravity
C. Decrease in glucose and ketones
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D. Decrease in bacteria and nitrite - answer✔✔C. Decrease in glucose and ketones
The specific gravity of the glomerular filtrate is __________.
A. 1.000
B. 1.010
C. 1.025
D. 1.040 - answer✔✔B. 1.010
Which of the following is the principle of the reagent strip test from pH?
A. A double indicator reaction
B. The protein error of indicators
C. the diazo reaction
D. A dye-binding reaction - answer✔✔A. A double indicator reaction
Glucosuria not accompanied by hyperglycemia is seen in patients with:
A. Hormonal disorders
B. Gestational diabetes
C. Diabetes mellitus
D. Renal disease - answer✔✔D. Renal disease
Ketonuria can be caused by:
A. Ability to use carbohydrates
B. Adequate intake of carbohydrates
C. Decreased metabolism of carbohydrates
D. Excessive loss of carbohydrates - answer✔✔D. Excessive loss of carbohydrates
Myoglobinuria may be caused by:
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A. Decreased glomerular filtration
B. Incompatible blood transfusions
C. Strenuous exercise
D. Biliary obstruction - answer✔✔C. Strenuous exercise
A patient with severe back pain comes to the emergency room. The urine has a 1+ reagent strip
reading for blood and a specific gravity of 1.030. This can aid in confirming a diagnosis of
_________.
A. Pyelonephritis
B. Appendicitis
C. Renal calculi
D. Multiple myeloma - answer✔✔C. Renal calculi
When a reagent strip is positive for bilirubin, it can be assumed that the bilirubin:
A. Is conjugated
B. Has passed through the small intestine
C. Is attached to protein
D. Is unconjugated - answer✔✔A. Is conjugated
Urinary casts are formed in:
A. Distal tubules and collecting ducts
B. Distal tubules and loops of Henle
C. Proximal and distal tubules
D. Proximal tubules and loops of Henle - answer✔✔A. Distal tubules and collecting ducts
Anti-glomerular basement antibody is seen with: