d atrial fibrillation E ventricular tachycardia 460.下列哪项是慢性心力衰竭的最常见病因():(记忆,易) A冠心病 B心肌病 C风湿性心脏病 D心律失常 E贫血 461.心功能代偿的方式中,下列哪项是错误的():(理解,中) A迷走神经兴奋 B交感神经兴奋 C心肌肥厚 D心室扩大 E水钠潴留 *462. All the following are features of captopril EXCEPT( ) (itz 难) a decreases plasma renin activity b retards the degradation of circulating bradykinin c inhibits the formation of angiotensin II D can be used safely in combination with a beta blocking agent e is contraindicated in patients with bilateral renal artery stenosis *463. Digitalis glycosides enhance myocardial contractility primarily by which of the following mechanisms():(记忆,难) a opening of calcium channe ls B release of calcium from the sarcoplasmic reticulum c stimulation of myosin ATPase D stimulation of membrane phospholipase c e inhibition of membrane Na-K-ATPase *464. all the following EKg findings may represent manifestation of3 Ｄ atrial fibrillation Ｅ ventricular tachycardia 460.下列哪项是慢性心力衰竭的最常见病因（ ）：（记忆，易） Ａ 冠心病 Ｂ 心肌病 Ｃ 风湿性心脏病 Ｄ 心律失常 Ｅ 贫血 461.心功能代偿的方式中，下列哪项是错误的（ ）：（理解，中） Ａ 迷走神经兴奋 Ｂ 交感神经兴奋 Ｃ 心肌肥厚 Ｄ 心室扩大 Ｅ 水钠潴留 *462.All the following are features of captopril EXCEPT( )：（记忆， 难） A decreases plasma renin activity B retards the degradation of circulating bradykinin C inhibits the formation of angiotensin II D can be used safely in combination with a beta blocking agent E is contraindicated in patients with bilateral renal artery stenosis *463.Digitalis glycosides enhance myocardial contractility primarily by which of the following mechanisms ( )：（记忆，难） A opening of calcium channels B release of calcium from the sarcoplasmic reticulum C stimulation of myosin ATPase D stimulation of membrane phospholipase C E inhibition of membrane Na-K-ATPase *464.All the following EKG findings may represent manifestation of