男性,60岁。阵发性腹痛、腹胀,停止排便、排气1天。8年前因阑尾穿孔、腹膜炎行手术治疗对此患者进行钡灌肠检查时发现,钡进入距肛门20cm处受阻,钡影尖端呈"鸟嘴"形。该病人的诊断应是()。 ["A.乙状结肠扭转","乙状结肠癌","粘连性肠梗阻","直肠癌并梗阻","急性小肠扭转"]
出生3天新生儿,生后16小时出现黄疸,总胆红素为85.5μmol/L(5mg/dl),第2天及第3天测总胆红素分别为188.1μmol/L(1lmg/dl)和290μmol/L(17mg/dl)。为确定诊断应首选下列哪项检查() ["血型及血型抗体检查","肝功能测定","血红蛋白电泳","红细胞G-6-PD活性测定","血培养及白细胞计数"]
意外穿髓的乳牙可行() ["间接盖髓","活髓切断","干髓治疗","垫底后充填","根管治疗"]
测定残余尿量,最准确的检查方法是() ["B超","排尿后导尿测定","排泄性尿路造影","膀胱区叩诊","放射性核素肾图"]
向哪级单位提出申请许可()。 ["县级防疫站","县级卫生局","市级卫生局","市级劳动局","省级卫生部门"]
精神分裂症衰退期三主征