FREE Medical Laboratory Technician Urinalysis and Body Fluids Questions and Answers

Question 1

A urinalysis is performed on a patient presenting with generalized edema and fatigue.
The reagent strip shows 4+ protein, and the microscopic examination reveals numerous oval fat bodies and fatty casts.
Which of the following conditions is most strongly indicated by these findings?

Accepted Answer

Nephrotic syndrome

Answer

Acute pyelonephritis

Answer

Glomerulonephritis

Answer

Lower urinary tract infection

Question 2

A urine reagent strip is positive for blood, but subsequent microscopic examination reveals no red blood cells. Which of the following is the most likely cause for this discrepancy?

Accepted Answer

Presence of myoglobin

Answer

Contamination with ascorbic acid

Answer

High specific gravity crenating the cells

Answer

Presence of yeast resembling RBCs

Question 3

A technologist receives four tubes of cerebrospinal fluid (CSF) collected via lumbar puncture. To minimize the chance of a false positive culture due to skin flora contamination from the procedure, which tube is typically designated for microbiology?

Accepted Answer

Tube 2

Answer

Tube 1

Answer

Tube 4

Answer

Any tube can be used interchangeably

Question 4

A synovial fluid specimen is examined using a compensated polarizing microscope. The technologist observes needle-shaped crystals that are strongly negatively birefringent. When the crystals are aligned parallel to the slow axis of the compensator, they appear yellow. These findings are characteristic of which crystals?

Accepted Answer

Monosodium urate

Answer

Calcium pyrophosphate

Answer

Cholesterol

Answer

Corticosteroid

Question 5

A patient's urine specimen has a pH of 8.5 and a strong odor of ammonia. Microscopic analysis is most likely to reveal which of the following crystals?

Accepted Answer

Triple phosphate

Answer

Uric acid

Answer

Calcium oxalate

Answer

Leucine

Question 6

Which of the following sets of findings is most characteristic of a serous fluid classified as a transudate?

Accepted Answer

Clear appearance, fluid-to-serum protein ratio < 0.5

Answer

Cloudy appearance, specific gravity of 1.025

Answer

Fluid-to-serum LDH ratio > 0.6, high cell count

Answer

Bloody appearance, spontaneous clotting

A urinalysis is performed on a patient presenting with generalized edema and fatigue.The reagent strip shows 4+ protein, and the microscopic examination reveals numerous oval fat bodies and fatty casts.Which of the following conditions is most strongly indicated by these findings?

A urinalysis is performed on a patient presenting with generalized edema and fatigue.
The reagent strip shows 4+ protein, and the microscopic examination reveals numerous oval fat bodies and fatty casts.
Which of the following conditions is most strongly indicated by these findings?