小儿呼吸衰竭的诊断标准是() ["A．PaO2≤8kPa(60mmHg)，PaCO2≥6kPa(45mmHg)，SaO2<90%","B．PaO2≤8kPa(60mmHg)，PaCO2≥6.7kPa(50mmHg)，SaO2<90%","C．PaO2≤6.7kPa(50mmHg)，PaCO2≥6.7kPa(50mmHg)，SaO2<85%","D．PaO2≤6.7kPa(50mmHg)，PaCO≥8kPa(60mmHg)，SaO2<85%","E．PaO2≤6.7kPa50mmHg)，PaCO2≥6.7kPa(50mmHg)，SaO2<90% "]
胆囊炎，胆石症手术最佳的术前用药() ["A．东莨菪碱，苯巴比妥","B．阿托品，苯巴比妥","C．吗啡","D．山莨菪碱，地西泮","E．哌替啶"]
有胆绞痛的病人，术前药禁用() ["A．哌替啶","B．阿托品","C．吗啡","D．苯巴比妥","E．地西泮"]
下面哪一项不是腹部连续硬膜外麻醉的功效() ["A．痛觉阻滞完善","B．肌肉松弛满意","C．对呼吸循环和肝肾功能影响较小","D．交感神经部分阻滞、肠管收缩、手术野显露较好","E．无内脏牵拉反应"]
背景资料
背景资料
