题目: 关于伸直型肱骨髁上骨折的叙述哪一项是错误的:()。A.骨折线由前上方斜向后下方B.近端向前移位,远端向后上方移位C.也可向侧方移位D.侧方移位常不稳定E.可损伤正中神经和肱动脉 答案: 参考答案:A
题型:选择题 Was it through Mary , ____ was working at a high school , _____ you get to know Tom ?A.who, whoB.that, whichC.who, thatD.who, which 查看答案
题型:选择题 _______ supplying news from all over the world, newspapers give us a lot of other useful information.A.Other thanB.Rather thanC.Except forD.Apart from 查看答案
题型:单项选择题 案例分析题 女性,60岁,不慎滑倒致右髋疼痛,不能行走,急诊摄X线片,显示左股骨颈骨折(头下型)并明显移位,该患者原有老年性骨质疏松症。引起头下形骨折的以下几条原因中哪一条不正确()A.骨质疏松 B.躯干的重力作用和髋部肌肉的强烈收缩 C.骨组织抗张应力性能较弱,股骨头颈交界部为张应力的最高部位,故易骨折 D.骨组织抗压应力性能较弱,股骨头颈交界部为压应力的最高部位,故易骨折 E.以关节盂缘作支点的直接外力作用 查看答案