试题与答案

QRS波群代表A.心室肌除极过程 B.心房肌除极过程 C.心室肌复极过程 D.心房肌

题型:单项选择题

题目:

QRS波群代表

A.心室肌除极过程

B.心房肌除极过程

C.心室肌复极过程

D.心房肌复极过程

E.房室交界区的兴奋性

答案:

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参考答案:较低、较高

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