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当细胞阈电位水平升高（上移）时，将引起（）

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当细胞阈电位水平升高（上移）时，将引起（）

A.动作电位幅度增大

B.动作电位传导加速

C.在此基础上发生兴奋时更多的Na+通道将会被激活

D.细胞兴奋性升高

E.细胞兴奋性降低

参考答案:

答案：细胞兴奋性降低

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