问题 单项选择题

关于心电图的描述,下面哪一项是错误的

A.心电图反映心脏兴奋的产生、传导和恢复过程中的生物电变化

B.心电图与心脏的机械收缩活动无直接关系

C.心肌细胞的生物电变化是心电图的来源

D.电极放置位置不同,记录出来的心电图曲线基本相同

E.心电图曲线与单个心肌细胞的生物电变化曲线有明显区别

答案

参考答案:D

判断题
单项选择题

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A. missedB. dismissed C. stressed D. allowed