This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Physiology
Enteropeptidase enzyme is secreted by: 
Select and explain. 
A. Stomach, B. Duodenum, C. Jejunum, D. Ileum
B: Duodenum
Answer: B: Duodenum 
Explanation: Most pancreatic enzymes are secreted in precursor form Duodenum produces enterokinase, which conves trypsinogen to Trypsin Trypsin causes catalytic conversion of other pancreatic pro enzymes Enterokinase is released by duodenal mucosa when chyme comes in contact with it PANCREATIC ENZYMES - - For Protein: trypsin, chymotrypsin, carboxypolypeptidase Carbohydrates: pancreatic amylase Fat: pancreatic lipase, cholesterol esterase, phospholipase