The purpose of this blood serum test is to help detect and evaluate treatment of acute hepatic disease, especially hepatitis, and cirrhosis without jaundice. To help distinguish between mytyocardial (heart) and liver tissue damage (used with the AST enzyme test). Also to assess hepatotoxicity of some drugs.
The average wingspan for an NBA player (even normal 6'0 guys) is +4 inches. I think that around your height thing is just an estimate. For the general population, the average might be +2 inches.
Roseate spoonbills grow to a height of 32 inches (81 cm), with an average wingspan of 50 inches (127 cm). Their distinguishing characteristics include their pink body and legs, white neck and breast. pale green bald head, spoon-shaped bill, and bright red shoulder patch.