Urinalysis And Body Fluids Exam With Verified Questions and Answers
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Urinalysis and Body Fluids
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Urinalysis And Body Fluids
Urinalysis And Body Fluids Exam With
Verified Questions and Answers
Which statement regarding renal function is true? - answerglomeruli are far more permeable
to water and salt than other capillaries
which statement regarding normal salt and water handling by the nephron is correct? -
answerth...
Urinalysis And Body Fluids Exam With
Verified Questions and Answers
Which statement regarding renal function is true? - answer✔✔glomeruli are far more permeable
to water and salt than other capillaries
which statement regarding normal salt and water handling by the nephron is correct? -
answer✔✔the ascending limb of the tubule is highly permeable to salt but not water
which statement concerning renal tubular function is true? - answer✔✔in salt deprivation, the
kidneys will conserve sodium at the expense of patassium
which of the following is innappropriate when collecting urine for routine bacteriologic culture?
- answer✔✔the sample may be held at 2-8C for up to 48 hours prior to plating
which statement about sample collection for routine urinalysis is true? - answer✔✔samples may
be stored at room temp for up to 2 hours
which urine color is correlated correctly with the pigment producing substance? -
answer✔✔deep yellow urine and yellow foam with bilirubin
which of the following substances will cause urine to produce red fluorescence when examined
with an ultraviolet lamp (360 nm)? - answer✔✔coproporphyrin
which of the following conditions is associated with normal urine color but produces red
fluorescence when urine is examined with an UV (woods) lamp? - answer✔✔lead poisoning
which statement regarding porphyria is accurate? - answer✔✔serum, urine, and fecal tests may
be needed for diagnosis
which is the most common form of porphyria? - answer✔✔porphyria cutanea tarda
which of the following methods is the least sensitive and specific for measuring PBG in urine? -
answer✔✔watson-schwartz test
a brown or black pigment in urine can be caused by: - answer✔✔melanin
urine that is dark red or port wine in color may be caused by: - answer✔✔porphyria cutanea
tarda
which of the following tests is affected least by standing or improperly stored urine? -
answer✔✔protein
which type of urine sample is needed for a d-xylose absorption test on an adult patient? -
answer✔✔5 hour timed urine kept under refrigeration
which of the following is inappropriate when collecting a 24 hour urine sample for
catecholamines? - answer✔✔ten mL of 1N sodium hydroxide should be added to the container
before collection
urine production of less than 400 a day is: - answer✔✔defined as oliguria
which of the following contributes to SG, but not to osmolality? - answer✔✔protein
urine with an SGconsistently between 1.0022 and 1.003 indicates: - answer✔✔diabetes
in which of the following conditions is the urine SG likely to be below 1.025? -
answer✔✔chronic renal failure
which statement regarding methods for measuring SG is true? - answer✔✔to correct a
urinometer, subtract .001 per each 3C below 15.5C
what is the principle of the colorimetric reagent strip determination of SG in urine? -
answer✔✔ionic strength alters the pKa of a polyelectrolyte
which statement regarding urine pH is true? - answer✔✔contamination should be suspected if
urine pH is less than 4.5
in renal tubular acidosis, the pH of urine is: - answer✔✔consistently alkaline
the normal daily urine output for an adult is approximately: - answer✔✔.6-1.6 L
the SG of the filtrate in bowmans space is approximately: - answer✔✔1.008-1.010
a patient with partially compensated respiratory alkalosis would have a urine pH of: -
answer✔✔7.5-8.5
which of the following is most likely to cause a false positive dry reagent strip test for urinary
protein? - answer✔✔highly buffered alkaline urine
when testing for urinary protein with sulfosalicylic acid (SSA), which condition may produce a
false positive result? - answer✔✔the presence of xray contrast media
a discrepancy between the urine SG determined by measuring refractive index and urine
osmolality would be most likely to occur: - answer✔✔after an intravenous pyelogram (IVP)
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