方药配伍体现“辛开苦降”法的方剂是()。
A.半夏泻心汤
B.犀角地黄汤
C.黄连解毒汤
D.清营汤
E.白虎汤
参考答案:A
根据面神经下颌缘支的行径,颌下区的手术切口应()
A.高于下颌骨下缘0.5cm左右
B.平齐下颌骨下缘0.5cm左右
C.低于下颌骨下缘0.5~1cm
D.低于下颌骨下缘1.5~2cm
E.低于下颌骨下缘2cm以下
How are lifelines attached to a life float?()
A.By serving
B.By splicing one end of the line around the apparatus
C.Securely attached around the outside in bights no longer than three feet
D.With an approved safety hook or shackle