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

A 62-year-old patient with hyperlipoproteinemia has a large amount of protein in his urine. Microscopic exam shows moderate to many fatty, waxy, granular and cellular casts. Many oval fat bodies are also noted. This is most consistent with:

Identify the object indicated by the arrow in this urine sediment. MEDT A395 Urine Q27.jpg

In FPIA, the amount of fluorescence is inversely related to the amount of analyte in the sample.