📊 Pharmaceutical Chemistry - Medicinal Chemistry 4
Q. The antiarrhythmic drug which decreases both rate of depolarization (phase 0) as well as rate of repolarization (phase 3) of myocardial fibres is:
  • (A) Lignocaine
  • (B) Propranolol
  • (C) Quinidine
  • (D) Verapamil
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✅ Correct Answer: (C) Quinidine

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