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: Unknown
Mechanism of action of metformin 
Select and explain. 
A. Increased peripheral glucose uptake, B. Stimulate insulin release, C. Decrease glucose resorption in intestine, D. None of the above
A: Increased peripheral glucose uptake
Answer: A: Increased peripheral glucose uptake 
Explanation: (Refer: K. D. Tripathi's Essentials of Medical Pharmacology, 6th edition, pg no:269)
Increased peripheral glucose uptake
Oral hypoglycemic agents

Enhance insulin secretion