A.8,100 B.9,64 C.10,56 D.7,48
A.操作及維護(hù)未嚴(yán)格執(zhí)行無(wú)菌操作 B.患者自身免疫力低下 C.出院后未及時(shí)維護(hù) D.敷貼松動(dòng)后及時(shí)更換
A.0.5ml B.1ml C.1.5ml D.2ml