This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Medicine
Enzyme raised in obstructive jaundice is - 
Select and explain. 
A. ALT, B. AST, C. Alkaline phosphatase, D. LDH
C: Alkaline phosphatase
Answer: C: Alkaline phosphatase 
Explanation: Features of obstructive jaundice include:high serum alkaline phosphatase Harsh mohan page 599 AST and ALT are raised in case of liver cell injury (Harsh mohan table 21.1)