This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Insulin secretion is/are increased by all except: 
Select and explain. 
A. Secretin, B. VIP, C. GIP, D. CCK
B: VIP
Answer: B: VIP 
Explanation: B i.e. VIP