第5题: [单项选择]The moral decline of American society is caused mainly by ________. A. its growing wealth B. the self-centeredness of individuals C. underestimating the impact of social changes D. the prejudice against women and minorities 参考答案:B 答案解析:归纳题。题目问:美国社会的道德下降主要是由于________引起的。根据第3段第2句“Materialism and individualism in American society are the
上述患者行保守治疗2h后,查BP:80/50mmHg,Hb:70g/L,左上腹包块增大,此时应考虑() A. 继续保守治疗 B. 留置尿管 C. 穿刺引流 D. 探查手术 E. 肾切除 参考答案:D 答案解析:肾外伤患者在保守治疗期间出现血尿逐渐加重,血红蛋白减少,血压下降,腰腹部肿块增大,说明肾损伤严重,应考虑探查手术。