女性,5岁,尿频、尿急、尿痛5天,体温39.5℃,左肾区有叩击痛,尿常规蛋白(++),白细胞满视野,红细胞5~10个/HP。首先应予何种处理() ["A.做中段尿细菌培养后立即给抗革兰阴性杆菌药物","立即给抗革兰阴性杆菌药物","立即做中段尿细菌培养,待报告后处理","先做肾B超和肾功能检查","先给抗革兰阳性球菌药物"]
下列X线征象,不属于法洛四联征的是() ["肺血减少","两肺门动脉细小","主动脉升弓部增宽、凸出","心脏近似靴形","肺动脉段一心腰部膨隆,心尖圆隆"]
关于IRMA实验原理,下面哪一项不正确() ["IRMA标记抗体比活度高","IRMA可测定大小分子抗原","较RIA具有更好的特异性","检测范围较RIA者更宽","较RIA具有更好的灵敏度"]
下列畸形,不属于法洛四联征的是() ["肺动脉狭窄","右心室肥厚","房间隔缺损","主动脉骑跨","室间隔缺损"]
男,41岁,呕血不止,面色苍白,烦躁,出冷汗,此时应作何处理() ["快速输血","快速补液","口服去甲肾上腺素","肌注立止血","手术止血"]
胰腺癌的临床表现。