2464与480的最大公约数为 [ ]
A.32
B.23
C.42
D.7
答案:A
关于手术日晨的准备,下列不正确的是()
A.胃肠道手术者,术前置胃管
B.根据用药方案做药物过敏试验
C.给病人更换清洁衣裤、戴帽子,女病人应先梳头,取下发夹
D.进手术室前不必排尿
E.将病历及有关手术需要资料交给手术室人员
According to the regulations for life boat falls,which action must be taken at 30-month intervals?()
A.End-for-ended
B.Renewed
C.Inspected
D.Weight tested