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下列哪项是维持胸内负压的必要条件是()A．胸廓畸形B．肺内压低于大气压C．呼气肌收缩D．吸气肌收缩E．胸膜腔密闭

作者: rantiku 人气: - 评论: 0

问题下列哪项是维持胸内负压的必要条件是()

选项 A．胸廓畸形 B．肺内压低于大气压 C．呼气肌收缩 D．吸气肌收缩 E．胸膜腔密闭

答案 E

解析

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