保险的职能分为基本职能和派生职能,以下属于保险的派生职能的是()。 ["补偿损失职能","防灾防损职能","分散风险职能","融资职能","社会管理职能"]
银汞合金的调和时间越长则() ["A.强度越低","B.强度越高","C.收缩越大","D.收缩越小","E.汞含量越高"]
诊断阻塞性肺气肿,最有价值的是()。 ["PaO2低于正常","残气量/肺总量>40%","第一秒用力呼气量占用力肺活量<60%","最大通气量低于预计值的80%","潮气量低于预计值的80%"]
银汞合金中哪种元素引起延缓性膨胀() ["银","锡","铜","锌","汞"]
男性,35岁。被热油烫伤12小时。查体:血压75/50mmHg。烫伤总面积60%,深Ⅱ度。抗休克用CVP监测,当监测值为3cmH2O时,表明() ["血容量相对不足","心功能不全","容量血管过度舒张","血容量严重不足","容量血管过度收缩"]
对脱险人员进行管理的首要任务是什么?