保险丝按保护形式分类,一般分为()和()。
有关COPD的外因,错误的是() ["长期吸烟与慢支发生有密切关系","感染是慢支发生与发展的重要因素","理化因素的慢性刺激为诱因","气候寒冷为发作的重要诱因","发病与过敏因素无关"]
含胆固醇较多的食物是() ["玉米油","豆油","花生","深海鱼","动物脑"]
女,70岁。因急腹症入院,急救过程中先后出现少尿、肺水肿、呼吸困难、嗜睡,意识障碍,消化道出血等症状,应诊断为() ["DIC","ARF","MODS","ARDS","Curling溃疡"]
建筑外门窗的安装必须牢固,在砌体上安装门窗严禁用()固定 ["A、钻孔","B、射钉","C、铆钉","D、预埋件"]
保险丝熔断取决于其()大小,与电压无关。