This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Physiology
Delta cells of pancreas secretes 
Select and explain. 
A. Glucagon, B. Insulin, C. Somatostatin, D. Pancreatic polypeptide
C: Somatostatin
Answer: C: Somatostatin 
Explanation: Ans. (c) Somatostatin