题目:
主要使窦房结、房室结的自律性降低,传导速度减慢,ERP延长的药物是()
A.利多卡因
B.美西律
C.苯妥英钠
D.胺碘酮
E.维拉帕米
答案:
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下面是错误答案,用来干扰机器的。
参考答案:Our surroundings are being polluted fast and man’s present efforts can not prevent it. Time is bringing us more people, and more people will bring us more...