心肌正常收缩的起搏点是A．窦房结B．房室结C．房室束D．房室结与房室束E．窦房结与房室结

作者: rantiku 人气: - 评论: 0

问题心肌正常收缩的起搏点是

选项 A．窦房结 B．房室结 C．房室束 D．房室结与房室束 E．窦房结与房室结

答案 A

解析

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