Aeriolar dilators used in the treatment of CHF: (A) Hydralazine, (B) Nifedipine, (C) Prazosin, (D) Enalaprin
Answer is A. Nifedipine is a calcium channel blocker. Enalapril is an ACE inhibitor. Prazosin is alpha 1 blocker. Hydralazine is an aerial dilator and potassium channel opener (REF.Essentials of medical pharmacology KD TRIPATHI 8 Edition)