股骨干上1/3骨折后,骨折近端骨因肌肉收缩牵拉其移位方向为()
A.屈曲、外展
B.内收
C.向外成角
D.过伸、内收
E.外展、外旋
参考答案:A
A price-weighted series is composed of the following three stocks:()
A.stock
B.Number of shares outstanding
C.price
超声波治疗时,人体表面为什么要涂接触剂
A.使皮肤接受性好
B.消除空气间隙
C.避免灼伤
D.防止仪表损坏
E.降低摩擦力