Pharmacology · single question

What is the mechanism of action of nifedipine?

  1. It inhibits angiotensin-converting enzyme
  2. It blocks beta-1 adrenergic receptors
  3. It inhibits calcium ion entry into vascular smooth muscle
  4. It blocks the sodium-potassium ATPase
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Correct answer: C. It inhibits calcium ion entry into vascular smooth muscle

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