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【单选题】
(2016·湖南株洲质检)下列关于神经兴奋的叙述,错误的是( )A.
神经冲动引起神经递质的释放,实现了由电信号→化学信号的转变
B.
神经递质与突触后膜上的受体结合,也可能抑制下一神经元
C.
兴奋在神经元之间的传递和反射弧中的传导都是单向的
D.
神经元细胞膜外K+的内流是形成电位的基础
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