慢性阻塞性肺部疾病进展时,实验室检查最早表现不正常的是A.肺泡-动脉氧差B.X线胸片C.呼气峰流速D.一秒钟用力呼气量E.残气量占肺总量的比值

作者: rantiku 人气: - 评论: 0
问题 慢性阻塞性肺部疾病进展时,实验室检查最早表现不正常的是
选项 A.肺泡-动脉氧差 B.X线胸片 C.呼气峰流速 D.一秒钟用力呼气量 E.残气量占肺总量的比值
答案 E
解析

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