A physician attempts to aspirate a knee joint and obtains 0.1 mL of slightly bloody fluid. Addition of acetic acid results in turbidity and a clot. This indicates that:

Which of the following substances is responsible for the foul, fishy odor obtained during the “whiff” test when testing vaginal secretions.

A technician is having trouble differentiating between red blood cells, oil droplets, and yeast cells on a urine microscopy. Acetic acid should be added to the sediment to:

Which crystal causes pseudogout?

The presence of ketone bodies in urine specimens may be detected by use of a reagent strip impregnated with sodium nitroprusside. This strip test is sensitive to the presence of

Identify the large nucleated cell that is not a typical segmented neutrophil. MEDT A495 Urine Q22.jpg

Based on this India Ink prep of a spinal fluid what is the most probable diagnosis for this patient? MEDT A395 Urine Q16.jpg

Identify the crystal in this acid urine MEDT A395 Urine Q23.jpg

Sediment seen during microscopic urinalysis stains positively with Sudan III stain but does not polarize. This is most likely a:

Urine pH can be modified by all of the following except