NSAIDs · Pharmacology

NSAIDs can reduce the antihypertensive efficacy of ACE inhibitors primarily by which mechanism?

  1. Increasing the hepatic metabolism of ACE inhibitors
  2. Inhibiting the production of vasodilatory prostaglandins in the kidney
  3. Competing for the same receptor binding site in the heart
  4. Inducing the expression of the ACE enzyme
Show answer and explanation

Correct answer: Inhibiting the production of vasodilatory prostaglandins in the kidney

NSAIDs block the synthesis of vasodilatory prostaglandins (PGE2 and PGI2) that help maintain renal blood flow. This causes afferent arteriolar vasoconstriction and sodium retention, which antagonizes the blood-pressure-lowering effects of ACE inhibitors.

Difficulty: Medium Question 8 of 20

Practice all 20 NSAIDs questions

Keep practicing

More NSAIDs questions