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: Pharmacology
[{'content': 'Exenatide is a new drug used in diabetes mellitus. Mechanism of action of this drug is:- \nSelect and explain. \nA. Inhibition of DPP- 4, B. Release of insulin acting as agonist of GLP-1 receptors, C. Inhibiting intestinal absorption of carbohydrates, D. Stimulation of PPAR-gamma', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (a) Exogenous GLP-1 agonist --> Exenatide, Liraglutide --> given SC Analogues. (b) DPP-4 Inhibitors --> Sitagliptin, Vildagliptin --> given orally. (c) Inhibition of Intestinal absorption of carbohydrate --> Acarbose. (d) Stimulation of PPAR - gamma --> Piaglitazone, Rosiglitazone', 'role': 'assistant'}]