下列哪一征象不支持纵隔肿瘤的诊断() ["A．透视下见肿块随呼吸变形","B．透视下见肿块随呼吸上下移动","C．肿块最大径在纵隔内","D．肿块压迫气管","E．肿块外缘与纵隔交角呈钝角"]
当出现下列情况是如何选择上述药物? ["室间隔缺损伴感染性心内膜炎()动脉导管未闭伴心功能不全()法洛四联症缺氧性昏厥()A．前列腺素E","B．地高辛","C．心得安","D．抗生素","E．碳酸氢钠"]
支气管断裂伤最常见的征象是() ["A．双肺含气不足，合并渗出性病变","B．张力性气胸合并纵隔和皮下气肿","C．肺气肿，纵隔增宽","D．肺不张，纵隔移位","E．纵隔移位合并双肺含气不足"]
动脉导管未闭()房间隔缺损()室间隔缺损()法洛四联症() ["A．右心房、右心室增大","B．左、右心室增大","C．狭窄后的肺动脉扩张","D．左心室增大","E．心脏一般正常或稍增大"]
AIDS的肺部X线表现为() ["A．混合性实变","B．两肺弥漫性均匀性实变","C．单侧不均匀性斑片样实变","D．弥漫性间质性肺炎","E．胸腔积液"]
主动脉及体循环血量增多()主动脉及体循环血量减少()主动脉血量增多，体循环血量减少()左心室、主动脉及体循环血量均减少()
