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单选题

神经纤维动作电位下降相是由于(  )

  • A、<img src="//wximg.233.com/attached/image/20130107/20130107163841844184.png" alt="" />
  • B、<img src="//wximg.233.com/attached/image/20130107/20130107163987428742.png" alt="" />
  • C、<img src="//wximg.233.com/attached/image/20130107/20130107163984028402.png" alt="" />
  • D、<img src="//wximg.233.com/attached/image/20130107/20130107163987798779.png" alt="" />
  • E、<img src="//wximg.233.com/attached/image/20130107/20130107163936303630.png" alt="" />
参考答案 参考答案
A
文字解析
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