急性肺脓肿最具特征的症状是()
A.畏寒高热
B.呼吸困难
C.咳大量脓臭痰
D.咳嗽伴咯血
E.咳嗽伴胸痛
参考答案:C
Americans who consider themselves ______ in the traditional sense do not usually hesitate to heap criticism in domestic matters over what they believe is oppressive or wasteful.
A.pedestrian
B.penchant
C.patriarch
D.patriotic
吸入支气管舒张剂后,肺功能检查确定气流不完全可逆的标准是()
A.FEV1/FVC<80%
B.FEV1/FVC<60%
C.FEV1/FVC<80%及FEV1<90%预计值
D.FEV1/FVC<70%及FEV1<80%预计值
E.FEV1/FVC<70%