演示手术区消毒。
以下哪种动力电池放电电流最大() ["2000mAh,30C","30000mAh,5C","20000mAh,5C"]
下面5种碘过敏试验哪一种为错误的() ["皮内试验","眼结膜试验","肌肉注射试验","口服试验","静脉注射试验"]
下面是X线最易穿透的组织顺序,选出正确的一组() ["肺、肠、肌肉、骨","肺、肌肉、肠、骨","肺、肌肉、骨、肠","肌肉、肺、肠、骨","肠、肺、肌肉、骨"]
大多数旋翼飞行器自主飞行过程利用()实现位置感知 ["平台惯导","捷联惯导","GPS"]
演示口对口人工呼吸。