试题与答案

关于正常M型超声心动图心室波群,以下哪项正确()A.室间隔与左室后壁呈同向运动 B.

题型:单项选择题

题目:

关于正常M型超声心动图心室波群,以下哪项正确()

A.室间隔与左室后壁呈同向运动

B.正常室间隔收缩期向后,舒张期向前运动

C.右心室负荷过重时,室间隔运动幅度增大

D.左室后壁运动曲线上升速度快,下降速度慢

E.房缺大小对室间隔运动无影响

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B解析:常识内容,考生应注意熟记。

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