Urinalysis Flashcards
7 cards from real RMA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Urinalysis flashcards as text
A glucose-positive reagent strip but a negative result with a copper reduction (Clinitest) tablet suggests what?
Answer: Only glucose is present
The reagent strip is specific for glucose, so glucose alone explains both results.
What does a cloudy, foul-smelling urine specimen with positive nitrite and leukocyte esterase most strongly suggest?
Answer: Urinary tract infection
Cloudiness with positive nitrite and leukocyte esterase points to a UTI.
Which patient instruction is essential for a clean-catch midstream specimen?
Answer: Cleanse the area and collect after starting to void
Cleansing and collecting midstream reduces contamination from the urethral opening.
A reagent strip result for pH reads strongly acidic. Which factor can contribute to acidic urine?
Answer: A high-protein diet
Diets high in protein and meat tend to produce more acidic urine.
Which finding indicates a specimen should be rejected and recollected?
Answer: Specimen older than two hours and unrefrigerated
An old, unpreserved specimen yields unreliable results and should be recollected.
Why is the first morning specimen preferred for detecting nitrite from a urinary tract infection?
Answer: Urine has incubated in the bladder long enough for nitrate conversion
Overnight bladder incubation gives bacteria time to convert nitrate to nitrite.
Triple phosphate crystals are most commonly found in urine with what pH?
Answer: Alkaline
Triple phosphate crystals typically form in alkaline urine.