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Gaokao Biology Practice Question

关于神经兴奋的叙述, 错误的是

  1. A.刺激神经纤维中部, 产生的兴奋沿神经纤维向两侧传导
  2. B.兴奋在神经纤维上的传导方向是由兴奋部位至未兴奋部位
  3. C.神经纤维的兴奋以局部电流的方式在神经元之间单向传递
  4. D.在神经纤维膜外, 局部电流的方向与兴奋传导的方向相反

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