This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
Which of the following drugs does not cause hypoglycemia: 
Select and explain. 
A. Acarbose, B. Insulin, C. Glimepride, D. Nateglinide
A: Acarbose
Answer: A: Acarbose 
Explanation: Ans. (A) Acarbose(Ref: Katzung 11/e p743-744, KDT 8/e p301)Drugs that act by release of insulin can cause hypo- glycemia. Therefore, glimepride (a sulfonylurea) and nateglinide that blocks ATP sensitive potassium channels and release insulin will cause hypoglycemia as an advese effect whereas use of acrabose alone is not associated with hypoglycemia.