Pharmacology · single question

Which medication does NOT pose a risk of hypoglycemia?

  1. Glipizide
  2. Glyburide (a sulfonylurea)
  3. Metformin
  4. Human insulin
Show answer and explanation

Correct answer: C. Metformin

  • A. Incorrect – sulfonylureas stimulate insulin release and commonly cause hypoglycemia.
  • B. Incorrect – sulfonylureas are a classic cause of hypoglycemia.
  • C. Correct – metformin (a biguanide) reduces hepatic glucose output and does not stimulate insulin secretion, so it rarely causes hypoglycemia as monotherapy.
  • D. Incorrect – insulin is the most direct cause of hypoglycemia.

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