The following Potassium channel opener is used in angina: (A) Nicorandil, (B) Hydralazine, (C) Fasudil, (D) Ranolazine
Answer is A. Nicorandil, minoxidil, pinacidil are potassium channel openers used in angina which produce hyperpolarization. and causing the vasodilation and reducing the oxygen demand and increase the oxygen supply yo the infracted area. Ref: KD Tripathi 8th ed.