幼体生殖
柯雷氏（Colles）骨折是指 ["A．桡骨远端2cm以内的伸展型骨折","B．桡骨远端3cm以内的伸展型骨折","C．尺骨上端骨折合并桡骨小头脱位","D．桡骨远端2～3cm骨折断端向掌侧成角","E．桡骨远端3cm骨折断端向背侧成角"]
"骨性"与"纤维性"关节强直的X线鉴别点是 ["A．关节间隙变窄","B．关节面糜烂","C．关节狭窄．硬化增生","D．关节狭窄，关节缘骨破坏","E．骨小梁通过关节间隙"]
焰细胞
鉴别骨质软化与骨质疏松的X线表现是 ["A．骨小梁数目减少","B．骨小梁间隙增宽","C．骨小梁变细","D．骨皮质变薄，骨髓腔增宽","E．骨小梁骨皮质边缘模糊"]
雷蚴
