This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, spleen, ureter and kidney, Subject name: Anatomy
Centroacinar cells of the Pancreas secrete : 
Select and explain. 
A. Alkaline enzyme-poor fluid, B. Pancreatic digestive enzymes, C. Secretin, D. Cholecystokinin(CCK)
A: Alkaline enzyme-poor fluid
Answer: A: Alkaline enzyme-poor fluid 
Explanation: Pancreatic Centroacinar cells Form the initial segment of the intercalated duct Pa of the exocrine pancreas. Secrete an enzyme-poor alkaline fluid when stimulated by secretin. -Pancreatic digestive enzymes are synthesized by the acinar cells of the exocrine pancreas; their release is stimulated by cholecystokinin. -Glucagon is produced in the endocrine pancreas (islets of Langerhans).