一般认为在服毒后多少时间内洗胃有效() ["1小时","3小时","6小时","12小时","24小时"]
肾脏毒性最低的氨基苷类药物是() ["庆大霉素","奈替米星","链霉素","妥布霉素","新霉素"]
试戴铸造全冠时,冠完全就位后,出现哪种状况可不必重作() ["边缘过短,未到达固位要求","冠与牙体组织间的缝隙,用探针可探入","冠的邻面与邻牙完全无接触","非正中牙有轻度早接触","冠与对牙无咬合接触"]
呼吸支持的主要指征是() ["通气功能障碍","呼吸停止","低氧血症","低氧血症和通气功能障碍","窒息"]
使原料在加热前就具有基本味的过程通常称()。 ["烹调前调味","烹调中调味","烹调后调味","正式调味"]
泵轮是液力变距器的()元件,位于液力变距器的后端,与变距器壳体刚性连接。