第7题: [单项选择]患者,男,21岁,晚餐后半小时练习倒立时突发腹痛,呕吐宿食3次,含血性液体。查体:体温38.8℃,脉搏112次/分,血压93/57mmHg;腹稍胀,右上腹部触及一压痛性肿块,中度反跳痛,肠鸣音消失。X线示多个气液平面。诊断为急性肠梗阻。该患者的处理原则是()。 A. 行腹腔穿刺术 B. 行胃镜检查 C. 输液,病情好转后手术治疗 D. 用吗啡镇痛并观察 E. 急诊手术解除梗阻 参考答案:E
第15题: [单项选择]Before welding in a tank that has carried petroleum products,the tank must be certified by (). A. the Coast Guard B. the ABS C. the shipyard fire department D. a certified marine chemist 参考答案:D