关于二尖瓣狭窄病人，哪项陈述错误（） A.可常伴房颤 B.可导致_爱下问搜题

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问题单项选择题

关于二尖瓣狭窄病人，哪项陈述错误（）

A.可常伴房颤

B.可导致右心衰竭

C.并发急性肺水肿

D.I～Ⅱ级患者麻醉手术耐受力好

E.有心力衰竭史者一般不易再患心力衰竭

答案

参考答案：E

选择题

The company has ______ a famous lawyer ______ him as the case is tough.

A．arranged; to defend

B．been arranged; in the defence of

C．arranged for; in defence of

D．arranged with; in defence for

单项选择题

骨骼肌兴奋-收缩耦联的因子为

A．Zn2+

B．Na+

C．Mg2+

D．Ca2+

E．K+