冷热疗法的主要作用() ["A．影响血管舒张与收缩","B．改变血循环速度","C．杀灭致病菌","D．影响组织新陈代谢","E．减轻疼痛，感觉舒适"]
使用冰槽治疗脑水肿，对脑细胞的作用是() ["A．降低代谢","B．减少耗氧量","C．提高脑细胞对氧的耐受性","D．减慢脑细胞损害的进展","E．利于脑细胞恢复"]
冷疗法的禁忌部位是() ["A．枕后","B．心前区","C．阴囊","D．腹部","E．足底"]
高碳酸性呼吸衰竭患者的氧疗原则如何?
用热水袋后皮肤发生潮红、疼痛应() ["A．停止使用","B．改用热湿敷","C．局部涂凡士林","D．局部涂甲紫","E．局部用50%硫酸镁湿敷"]
何谓肺性脑病?
