中毒型菌痢反复惊厥根据情况可用() ["A．地塞米松","B．苯巴比妥钠","C．人工冬眠","D．20%甘露醇","E．水合氯醛"]
食管异物致大血管破裂，下列叙述哪些正确?() ["A．尖锐异物相对容易损伤大血管","B．位于主动脉弓交叉处异物易损伤大血管","C．食管中段异物并发感染易损伤大血管","D．异物致大血管破裂易抢救成功，死亡率低","E．位于食管入口处尖锐异物易损伤大血管"]
人体对哪些疾病不产生持久免疫力() ["A．麻疹","B．流行性腮腺炎","C．猩红热","D．细菌性痢疾","E．水痘"]
流行性脑脊髓膜炎球菌的特点是() ["A．属于奈瑟菌属","B．革兰阴性、肾形、成队排列","C．病菌能在外界环境中长时间生存","D．可自感染者的鼻咽部、血液、脑脊液、皮肤瘀点中发现","E．多见于中性粒细胞内"]
支气管异物致支气管不完全阻塞，胸部X线透视结果哪几项是正确的() ["A．患侧肺部透亮度增加","B．患侧肺组织密度增高","C．横膈下降，活动度较差","D．呼气时心脏及纵隔推向健侧","E．吸气时心脏及纵隔又移向患侧"]
同位素()同质异能素()核素()
