肺转移性肿瘤常不出现() ["多发性结节","粟粒样结节","转移灶可有空洞","转移灶可有钙化","肺叶实变"]
2岁患儿,水肿20天,血压90/70n硼Hg,尿蛋白(+++),RBC1~2/HP,血白蛋白23g/L,血尿素氮5.5mmol/L。为明确诊断首选实验室检查() ["A.血脂","24小时尿蛋白定量","血沉","肾脏彩色多普勒","肾功能"]
下列因素与过敏性紫癜无关的是() ["感染","食物","药物","理化因素","恶性肿瘤"]
异物引起的阻塞性肺炎常不出现() ["小叶或小叶融合阴影","肺段实变","肺叶实变","肺体积缩小","肺门部肿块"]
肝脏横沟的描述正确的是()。 ["为第二肝门所在","为第一肝门所在","由脐静脉窝和静脉韧带构成","由胆囊窝和下腔静脉沟组成","为第三肝门所在"]
胃溃疡治疗原则。