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Urinalysis and Body Fluids Practice Questions and Answers (100% Pass)
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Urinalysis and Body Fluids Practice Questions and Answers (100% Pass)
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©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AMWEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
Urinalysis and Body Fluids Practice
Questions and Answers (100% Pass)
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
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,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
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
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, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
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
Urine specific gravity is an index of the ability of the kidney to: - ✔️✔️Concentrate the
urine
Osmolality is a measure of: - ✔️✔️Dissolved particles, including ions
To prepare a solution appropriate for quality control of the refractometer, a technician
should use: - ✔️✔️Sodium chloride with a specific gravity of 1.022
A urine's specific gravity is directly proportional to its: - ✔️✔️Dissolved solids
Use of a refractometer over a urinometer is preferred due to the fact that the
refractometer uses: - ✔️✔️Small volume of urine and compensates for temperature
The method of choice for performing a specific gravity measurement of urine following
administration of x-ray contrast dyes is: - ✔️✔️Reagent strip
Upon standing at room temperature, a urine pH typically: - ✔️✔️Increases
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