院外急救的任务有() ["对呼救患者的救护","特殊情况下的救护","住院危重患者的救护","手术后危重患者的救护","灾害或战争时对遇难者的救护"]
摄像机在同一镜头光轴上拍摄得到的镜头称为() ["平行镜头","轴线镜头","骑轴镜头","顺轴镜头"]
自主神经功能紊乱可有以下哪些表现() ["口干、多汗、尿频","心慌、心悸、胸闷","慢性躯体疼痛","食欲减退,失眠","性欲减退或性功能障碍"]
院外急救的原则有() ["先排险后施救","先轻伤后重伤","先施救后运送","先监护后转送","紧密衔接、前后一致"]
心理应激状态可出现下列哪些表现() ["警觉性增高,对刺激敏感","注意力分散而难于集中","自主神经功能紊乱","思维活动灵活多变","情绪与行为异常"]
检修热交换器前必须把热交换器内的()和()放掉,()应打开。