Microscopic examination of a stool stained with Sudan III revealed 42 small orange red fat globules/hpf. This finding indicates:

An amniocentesis fluid obtained at 16 weeks gestation showed an elevated AFP and acetylcholinesterase. In addition, the maternal serum alpha fetoprotein was elevated. These results indicate:

A pleural fluid pH of less than 6.0 is indicative of:

The following enzyme is deficient in alkaptonuria:

Contrast dye media used in renographic procedures may: (1) precipitate into hexagonal plate crystals; (2) extremely increase the specific gravity; (3) precipitate into rectangular crystals with notched corners; (4) interfere with reagent strip reactions.

How many fecal WBC are in the image below? 

The difference between fetal hemoglobin (HbF) and maternal hemoglobin (HbA) is:

You are reviewing a pleural fluid and view the cells shown below.  Which of the following correctly identifies your next action?

The abnormal metabolite that is present in the urine in alkaptonuria is:

A red, cloudy synovial fluid containing 210,000 RBCs/cmm and 15,000 WBCs/cmm with 45% neutrophils is consistent with: