Medical Laboratory Technician Exam Medical Laboratory Technician Urinalysis and Body Fluids Questions and Answers 2

Question 1

A urine specimen with a specific gravity of 1.001 and a pale yellow color most likely indicates which condition?

Accepted Answer

Diabetes insipidus

Answer

Diabetes insipidus produces large volumes of very dilute urine due to insufficient ADH or renal unresponsiveness to ADH.

Question 2

Which type of cast is most indicative of glomerular damage when found in a urine sediment examination?

Accepted Answer

Red blood cell casts

Answer

Red blood cell casts form in the renal tubules when RBCs become trapped in a protein matrix, indicating glomerular bleeding.

Question 3

A cerebrospinal fluid sample with a glucose level significantly lower than the serum glucose and elevated protein most likely suggests what?

Accepted Answer

Bacterial meningitis

Answer

Bacterial meningitis characteristically shows markedly decreased glucose due to bacterial consumption and elevated protein from inflammation.

Question 4

What is the expected appearance of a normal synovial fluid specimen?

Accepted Answer

Clear and pale yellow with high viscosity

Answer

Normal synovial fluid is clear, pale yellow, and highly viscous due to hyaluronic acid content.

Question 5

Which urine chemical test principle relies on the double indicator method to detect pH?

Accepted Answer

Reagent strip pH pad using methyl red and bromothymol blue

Answer

The reagent strip pH pad uses the double indicator system of methyl red and bromothymol blue to cover pH ranges from 5 to 9.

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