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: Physiology
All are secreted in zymogen form except 
Select and explain. 
A. Pepsin, B. Trypsin, C. Lipase, D. Colipase
C: Lipase
Answer: C: Lipase 
Explanation: Gastric lipase is a fat splitting enzyme,it acts at an optimal pH 4-4.5 . Lipases successively hydrolyzed the triglycerides . Ref.Textbook of physiology by AK Jain 7th edition page no.266