65岁老年人,有慢性咳嗽、咳痰病史20年,X线检查显示肺透亮度增加,肺纹理增粗,膈肌降低,肋间隙增宽。肺功能FEVl/FVC

作者: rantiku 人气: - 评论: 0
问题 65岁老年人,有慢性咳嗽、咳痰病史20年,X线检查显示肺透亮度增加,肺纹理增粗,膈肌降低,肋间隙增宽。肺功能FEVl/FVC<70%,30%≤FEV1<50%预计值。 如果确立诊断,判断该病例的严重程度应属于
选项 A.0级 B.Ⅰ级 C.Ⅱ级 D.Ⅲ级 E.Ⅳ级
答案 D
解析

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