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
Enteroinsular axis is mediated through: 
Select and explain. 
A. Glucagon, B. GLP-1, C. VIP, D. Nitric oxide
B: GLP-1
Answer: B: GLP-1 
Explanation: Glucagon is produced by the alpha cells of the pancreass. The same gene for glucagon also code for glucogagon like peptide - GLP 1 and GLP 2. GLP 1 1. Stimulates insulin secretion 2. Augments insulin releasing effects of glucose This effect is responsible for enteroinsular axis ALSO NOTE: GLP 1 analog: Stimulates insulin secretion and augments insulin releasing effects of glucose. Ref: Sleisenger and Fordtran's, Edition-9, Page-7