阈强度(阈值)增大意味细胞兴奋性 ( )A．增高B．降低C．不变D．先降低后增高E．先增高后降低

作者: rantiku 人气: - 评论: 0

问题阈强度(阈值)增大意味细胞兴奋性 ( )

选项 A．增高 B．降低 C．不变 D．先降低后增高 E．先增高后降低

答案 B

解析

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