Urinalysis and Body Fluids Questions and Correct Answers | Latest Update
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Course
Urinalysis and body fluids
Institution
Urinalysis And Body Fluids
After receiving a 24-hour urine for quantitative total protein analysis, the technician must
first:
-:- Measure the total volume
False results in urobilinogen testing may occur if the urine specimen is:
-:- Exposed to light
A clean-catch urine is submitted to the laboratory for routine urin...
Urinalysis and Body Fluids Questions and
Correct Answers | Latest Update
After receiving a 24-hour urine for quantitative total protein analysis, the technician must
first:
✓ -:- Measure the total volume
False results in urobilinogen testing may occur if the urine specimen is:
✓ -:- Exposed to light
A clean-catch urine is submitted to the laboratory for routine urinalysis and culture. The
routine urinalysis is done first, and 3 hours later, the specimen is sent to the microbiology
department for culture. The specimen should:
✓ -:- Be rejected due to the time delay
Which of the following urine results is most apt to be changed by prolonged exposure to
light?
✓ -:- Bilirubin
Urine samples should be examined within 1 hour of voiding because:
✓ -:- Bacterial contamination will cause alkalinization of the urine
A urine specimen comes to the laboratory 7 hours after it is obtained. It is acceptable for
culture only if the specimen has been stored:
✓ -:- At 4*-7*C
Which of the following would be affected by allowing a urine specimen to remain at room
temperature for 3 hours before analysis?
✓ -:- pH
Failure to observe RBC casts in a urine specimen can be caused by:
✓ -:- Centrifuging an unmixed specimen
The creatinine clearance is reported in:
✓ -:- mL/min
Microalbumin can be measured by a random urine collection. An increased microalbumin is
predictive of:
✓ -:- Nephropathy
A patient with uncontrolled diabetes mellitus will most likely have:
✓ -:- Pale urine with a high specific gravity
While performing an analysis of a baby's urine, the technologist notices the specimen to
have a "mousy" odor. Of the following substances that may be excreted in urine, the one
that most characteristically produces this odor is:
✓ -:- Phenylpyruvic acid
Urine that develops a port wine color after standing may contain:
✓ -:- Porphyrins
Urine from a 50-year-old man was noted to turn dark red on standing. This change is
caused by:
✓ -:- Porphyrins
The clarity of a urine sample should be determined:
✓ -:- Following thorough mixing of the specimen
Milky urine from a 24-year-old woman would most likely contain:
✓ -:- Many white blood cells
A brown-black urine would most likely contain:
✓ -:- Melanin
The yellow color of urine is primarily due to:
✓ -:- Urochrome pigment
Red urine may be due to:
✓ -:- Myoglobin
Urine osmolality is related to:
✓ -:- Specific gravity
2|P a g e | G r a d eA + | 2 0 2 0 2 5
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