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 drug helps in delay in absorption of carbohydrates? 
Select and explain. 
A. Acarbose, B. Glipizide, C. Nateglinide, D. Pioglitazone
A: Acarbose
Answer: A: Acarbose 
Explanation: Ans. A. AcarboseAcarbose is alpha glucosidase inhibitor. It inhibits the breakdown of complex carbohydrates to simple carbohydrates and thus they decrease the absorption.