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
Abnormal excretory function of hepatocytes assessed by - 
Select and explain. 
A. Increased FT, B. Increased ALT, C. Increased Alkaline Phosphatase, D. Increased gamma GT
C: Increased Alkaline Phosphatase
Answer: C: Increased Alkaline Phosphatase 
Explanation: Serum alkaline phosphatase is produced by many tissues and is excreted in the bile.Elevation occurs in case of biliary tract obstruction Reference Harsh mohan page 595