RMA Urinalysis 3

Question 1

A specimen has a positive leukocyte esterase result. What does this indicate?

Accepted Answer

Presence of white blood cells

Answer

Leukocyte esterase is released by white blood cells, suggesting inflammation or infection.

Question 2

Which crystal type is commonly seen in acidic urine and shaped like an envelope?

Accepted Answer

Calcium oxalate

Answer

Calcium oxalate crystals appear as envelope-shaped structures in acidic urine.

Question 3

When should a urine specimen be refrigerated if testing is delayed?

Accepted Answer

If it cannot be tested within one hour

Answer

Specimens not tested within one hour should be refrigerated to preserve their integrity.

Question 4

A high specific gravity reading on a reagent strip most likely indicates what?

Accepted Answer

Concentrated urine from dehydration

Answer

High specific gravity reflects concentrated urine, often from dehydration.

Question 5

Which structure seen during microscopic exam forms in the renal tubules and indicates kidney involvement?

Accepted Answer

Casts

Answer

Casts form within renal tubules and signal kidney pathology when present.

RMA Practice Test