Wikijunior:Dinosaurs/Plesiosaur. The Plesiosaur is not actually a dinosaur, but rather a large swimming reptile. Plesiosaur is Greek for nearer to the reptiles. This name given to this creature because it resembles something that is part reptile and part fish.
The ALT test measures the level of ALT in your blood. Consistently high levels of ALT in your blood can be a sign of liver damage. Aspartate Transaminase (AST) is an enzyme found in large amounts in your liver and other parts of your body. The AST test measures the level of AST in your blood.
Doctors usually do blood tests: (1) liver enzymes which show if there may be damage to the liver cells. (2) liver function tests to show if the cells of the liver are functioning well to keep the body healthy (3) viral testing to see if there is a liver problem caused by a virus like Hepatitis A,B,C,ETC.