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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)
what are some reasons for specimen rejection? - ✔️✔️unlabeled containers
non-matching labels and requisitions
contaminated specimens - feces, tissue
contaminated container
delayed or improper transport*
within what time span of collection must you test urine? - ✔️✔️2 hours - affects specimen
integrity
most problems with urine collection specimen integrity is - ✔️✔️bacteria presence and
growth
what change happens to glucose in unpreserved urine over time? - ✔️✔️it decreases due
to bacterial consumption
what is the most common method of preservation? - ✔️✔️refrigeration at 2 to 8 degrees
what is the renal threshold for glucose? - ✔️✔️160 to 180 mg
1
,©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
what is the most common urine specimen received? - ✔️✔️random
what is the ideal screening specimen? - ✔️✔️first morning specimen - used for pregnancy
test and orthostatic protein confirmation
how long must you fast for OGTT? - ✔️✔️30 minutes to 6 hours
what is the specimen required for quantitative results and needed for measuring
changes with diurnal variation? - ✔️✔️24-hour or timed
what is the most commonly requested test on a catherized specimen? - ✔️✔️bacterial
culture
what provides a safer, less traumatic method for obtaining urine for bacterial culture and
routine analysis - ✔️✔️midstream clean-catch specimen
what is the chain of custody for drug specimen collection? - ✔️✔️documentation from
time of collection until time of receipt of lab results
standardized form documents and accompanies every step of drug testing
specimen must withstand legal scrutiny with proof that no tampering occurred
2
, ©PREP4EXAMS@2024 [REAL-EXAM-DUMPS] Saturday, August 3, 2024 7:34 AM
WEST VIRGINIA UNIVERSIRTY- ( WV) : 26506
what temperature must the urine be at time of collection? - ✔️✔️32.5 to 37.7 degrees
celsius
what does physical examination of urine include? - ✔️✔️color, clarity, and specific gravity
abnormal variations of urine appearance can be caused by? - ✔️✔️glomerular bleeding
inborn error of metabolism
UTI
how is the urine color examined? - ✔️✔️under good light against a white background
what is the pigment causing the yellow color of urine? - ✔️✔️UROCHROME
when does urochrome increase? - ✔️✔️room temperature
thyroid disorder
fasting
what are additional pigments that add to urine appearance? - ✔️✔️uroerythrin and
urobilin
what is a pink pigments and is most evident in specimens that have been refrigerated? -
✔️✔️uroerythrin
what produced an orange-brown color to urine that is nor fresh and is the oxidation
product of urobilinogen? - ✔️✔️urobilin
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