Which of the following is NOT a Calcium channel blocker: (A) Verapamil, (B) Pirenzepine, (C) Felodipine, (D) Nitrendipine
Answer is B. Ans. is 'b' i.e., Pirenzepine Pirenzepine is a selective M1 AntagonistCalcium channel blockers.Phenyl alkylamine - VerapamilBenzodiazepine -DiltiazemDihydropyridines - Nifedipine, Felodipine, Amlodipine, Nitrendipine, Nimodipine, Lacidipine More questions on calcium channel blocker -Only voltage sensitive L type channel are blocked by calcium channel blockers.CCB's causing ankle edema - NifedipineCCB's causing Reflex tachycardia - Nifedipine (C/I in angina)CCB's having most depressant affect on heart - Verapamil