Calcium channel blockers used in HTN are all except:: (A) Amlodipine, (B) Clevidipine, (C) Captopril, (D) Nifedipine
Answer is C. Captopril is an ACE inhibitor- prototype ACE inhibitor all others mentioned in options are calcium channel blockers- all are dihydropyridines (Ref- Essentials of medical pharmacology K D TRIPATHI 8th Edition)