<prompt> Which of the following drugs is most likely to precipitate angina?AmlodipineNifedipineDiltiazemVerapamil  <response>: Vasodilators and peripherally acting CCBs Dihydropyridines can cause tachycardia and thus may precipitate acute attack of angina. Risk of tachycardia is more with sho acting drugs like nifedipine than with long acting agents like amlodipine. Diltiazem Verapamil -- decreases HR and also cause vasodilation. 