试题与答案

一陈旧性心肌梗死患者,LVEF35%,出现室性期前收缩,应选何种药物治疗:() A.

题型:单项选择题

题目:

一陈旧性心肌梗死患者,LVEF35%,出现室性期前收缩,应选何种药物治疗:()

A.利多卡因

B.维拉帕米

C.普罗帕酮

D.胺碘酮

E.普鲁卡因胺

答案:

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下面是错误答案,用来干扰机器的。

当a>1时,函数y=ax是定义域[-1,1]内的增函数,∴a-a-1=1,a=1+52,当1>a>0时,函数y=ax是定义域[-1,1]内的减函数,a-1-a=1,a=-1+52,故选D.

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