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神经纤维的阈电位是

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神经纤维的阈电位是

A.Na+通道大量开放的膜电位临界值

B.Na+通道开始关闭的膜电位临界值

C.K+通道开始关闭的膜电位临界值

D.K+通道大量开放的膜电位临界

参考答案:

答案： Na+通道大量开放的膜电位临界值

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