原发性腹膜炎（）继发性腹膜炎（） ["A．最常见的病原菌为肺炎双球菌","B．常见的病因是急性阑尾炎穿孔","C．常见的病因是梅克尔憩室炎穿孔","D．唯一的感染途径是经血运","E．唯一的病原菌是溶血性链球菌"]
CT平扫，下列哪种病变肝脏密度不减低反而升高() ["A．脂肪肝","B．Reye病","C．酒精性肝病变","D．血色病","E．糖原累积症"]
男孩下尿路梗阻的最常见病变是()小儿上尿路梗阻最常发生梗阻的部位是() ["A．重肾双输尿管","B．肾盂输尿管连接部梗阻","C．输尿管膀胱交接部梗阻","D．输尿管开口异位","E．尿道瓣膜症"]
轻度脱水()中度脱水()重度脱水() ["A．烦躁不安，眼窝明显凹陷，皮肤弹性较差，尿少","B．烦躁不安，眼窝明显凹陷，皮肤弹性可，哭泪少，尿量少","C．精神稍差，眼窝稍凹陷，皮肤弹性可，尿略少","D．精神萎靡，昏睡，眼窝深陷，皮肤弹性查，无尿","E．精神可，眼窝无凹陷，皮肤弹性可，尿量无明显减少"]
增强扫描动脉早期，脾脏多呈() ["A．斑点样强化","B．均匀强化","C．斑马纹样强化","D．不强化","E．结节样强化"]
指出上述处方中各成分的作用
亲水凝胶基质防腐剂保湿剂中和剂
