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当神经Impulse到达运动神经末梢时可引起接头前膜的（）

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当神经Impulse到达运动神经末梢时可引起接头前膜的（）

A.Na+通道关闭

B.Ca2+通道关闭

C.K+通道关闭

D.Ca2+通道开放

参考答案:

答案：Ca2+通道开放

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