问题
单项选择题
下列哪一项在突触前末梢释放递质中的作用最关键
A．动作电位到达神经末梢
B．神经末梢去极化
C．神经末梢处的Na+内流
D．神经末梢处的K+外流
E．神经末梢处的Ca2+内流
答案
参考答案：E
解析：参阅[2001N0142]。
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下列哪一项在突触前末梢释放递质中的作用最关键
A．动作电位到达神经末梢
B．神经末梢去极化
C．神经末梢处的Na+内流
D．神经末梢处的K+外流
E．神经末梢处的Ca2+内流
参考答案：E
解析：参阅[2001N0142]。
| 完形填空 阅读短文，从每题所给选项中选出可以填入空白处的最佳选项 | ||||
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