诊断喉阻塞的主要依据为() ["直接喉镜检查","喉部摄片","病史","喉部CT检查","症状和体征"]
下列哪项不是ARDS初期的临床表现() ["呼吸加快","呼吸窘迫感,用一般的吸氧法不能得以缓解","呼吸道分泌物增多,肺部有啰音","X线胸片一般无明显异常","PaO2降至8.0kPa(60mmHg)"]
因喉部或邻近组织的病变影响喉部通道,引起的呼吸困难称为() ["喉阻塞","喉狭窄","喉痉挛","喉麻痹","喉运动障碍"]
下列先心病X线表现中属于肺血流增多的是:() ["艾森门格综合征","法洛三联征","原发性肺动脉高压","动脉导管未闭","法洛四联征"]
安静时有轻度呼吸困难而无全身症状的喉阻塞属于() ["Ⅰ度","Ⅱ度","Ⅲ度","Ⅳ度","以上均可"]
反映急性肝细胞损伤最敏感的酶学指标是()反映肝纤维化的酶学指标是()反映肝脏合成能力的酶学指标是()