Ⅲ级(重度)慢性阻塞性肺疾病的标准是A．伴慢性呼吸衰竭B．FEV1／FVC

作者: rantiku 人气: - 评论: 0

问题 Ⅲ级(重度)慢性阻塞性肺疾病的标准是

选项 A．伴慢性呼吸衰竭 B．FEV1／FVC<70％ C．30％≤FEV1<50％预计值 D．有或无慢性咳嗽、咳痰症状 E．FEV1<60％

答案 BCD

解析

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