呼吸衰竭的主要病因有() ["气道阻塞性疾病","肺实质浸润性疾病","肺水肿性疾病","肺血管性疾病","神经肌肉系统疾病"]
下列哪组肺功能测定结果最有助于慢性阻塞性肺病的诊断()。 ["FEV1/FVC%<75%,FEV1/preFEV1>85%","FEV1/FVC%<80%,FEV1/preFEV1>85%","FEV1/FVC%<70%,FEV1/preFEV>180%","FEV1/FVC%<80%,FEV1/preFEV1>80%","FEV1/FVC%>80%,FEV1/preFEV1>80%"]
不属于分泌性中耳炎的是() ["A.胶耳","B.中耳积液","C.非化脓性中耳炎","D.骨疡性中耳炎","E.浆液性中耳炎"]
局限于外耳道软骨段的病变是() ["恶性外耳道炎","外耳道疖","外耳道霉菌病","外耳道炎","上述都不是"]
对肝癌的诊断阳性率最高的肿瘤标志物是() ["碱性磷酸酶1","γ-谷氨酰转肽酶Ⅱ","甲胎蛋白","谷胱甘肽-S-转移酶","乳酸脱氢酶"]
慢性肺源性心脏病治疗时,用正性肌力药应用指征是()、()、()。