肺灌注显像的机制()心肌灌注显像的机制()骨显像的机制() ["A．细胞选择性摄取","B．化学吸附作用","C．微血管栓塞","D．特异性结合","E．代谢通道"]
下列哪几项不是食管异物的并发症() ["A．食管穿孔","B．反流性食管炎","C．皮下气肿","D．主动脉弓破裂","E．气管食管瘘"]
阻塞性肺气肿X线透视所见，下列哪项不对() ["A．呼气时心脏和纵隔向健侧","B．吸气时心脏和纵隔向患侧","C．病侧横膈平坦，活动度较健侧差","D．病侧肺部透亮度降低","E．病侧肺部透亮度增加"]
流行性腮腺炎常见合并症为________、________、_____________。
下列哪项检查对食管异物的确诊最重要?() ["A．误吞异物病史","B．间接喉镜检查","C．纤维喉镜检查","D．食管镜检查","E．X线摄片"]
水痘隔离至_________。
