急性心肌梗死并发心室颤动,应首选()
A.洋地黄
B.利多卡因
C.硝普钠
D.同步电复律
E.非同步电复律
参考答案:E
A retailer sells 5 shirts. The first 2 he sells for $64 and $39. If the retailer wishes to sell the 5 shirts for an overall average price of over $50, what must be the minimum average price of the remaining 3 shirts ?()
A. $49.00
B. $49.67
C. $50.00
D. $51.33
E. $55.50
手术区皮肤准备不正确的是()
A、备皮的目的是去除毛发和污垢,预防切口感染
B、备皮时切不可刮破皮肤
C、小儿仅清洗即可
D、眼部手术剃去眉毛
E、备皮范围:手术切口周围15~20厘米