细胞兴奋性维持是因为A.安静时膜对K有通透性B.兴奋时膜对Na通透性增加C.Na和K的易化扩散D.膜的Na-K泵作用E.以上都是

作者: rantiku 人气: - 评论: 0
问题 细胞兴奋性维持是因为
选项 A.安静时膜对K有通透性 B.兴奋时膜对Na通透性增加 C.Na和K的易化扩散 D.膜的Na-K泵作用 E.以上都是
答案 D
解析 :膜的Na-K泵作用是细胞兴奋性维持的条件。

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