The test for aspartate aminotransferase (transaminase) shows:Question 4Select one:A.Poor sensitivity for erythrocyte membrane damageB.High specificity for liver functionC.Time independent specificity for cardiac functionD.High sensitivity for bile duct damageE.Poor specificity as found in too many organs
Question
The test for aspartate aminotransferase (transaminase) shows:Question 4Select one:A.Poor sensitivity for erythrocyte membrane damageB.High specificity for liver functionC.Time independent specificity for cardiac functionD.High sensitivity for bile duct damageE.Poor specificity as found in too many organs
Solution
The correct answer is B. High specificity for liver function.
Aspartate aminotransferase (AST) is an enzyme found in cells throughout the body but mostly in the heart and liver, and, to a lesser extent, in the kidneys and muscles. In healthy individuals, levels of AST in the blood are low. When liver or muscle cells are injured, they release AST into the blood. This makes AST a useful test for detecting or monitoring liver damage.
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