单选题:人工地增加离体神经纤维浸浴液中的K+浓度,则该神经纤维静息电位的绝对值和动作电位的幅度将(  )

题目内容:
人工地增加离体神经纤维浸浴液中的K+浓度,则该神经纤维静息电位的绝对值和动作电位的幅度将(  ) A.均增大
B.均减小
C.前者增大后者减小
D.前者减小后者增大
E.前者减小后者不变
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