Endocrine pharmacotherapy · USMLE Step 1

A diabetic patient is taking acarbose. What is the drug’s primary mechanism?

  1. Delays carbohydrate absorption
  2. Enhances insulin release
  3. Reduces hepatic glucose output
  4. Increases insulin sensitivity
Show answer and explanation

Correct answer: Delays carbohydrate absorption

Acarbose inhibits α-glucosidase in the intestine, slowing carbohydrate digestion and glucose absorption.

Difficulty: Medium Question 18 of 20

Practice all 20 Endocrine pharmacotherapy questions

Keep practicing

More Endocrine pharmacotherapy questions