发生膝骨性关节炎的危险因素不包括() ["A．年龄在55岁以上","B．肥胖","C．家庭病史","D．文娱活动中突然转向","E．高度接触性运动"]
最常见的良性骨肿瘤为() ["A．骨髓瘤","B．骨巨细胞瘤","C．骨软骨瘤","D．骨囊肿","E．骨瘤"]
膝关节炎时最常影响的隔室是() ["A．髌股","B．外侧","C．内侧","D．胫前","E．深后"]
急性肱骨外上髁炎时最好的诊断措施是() ["A．X光平片","B．CT","C．临床评定","D．骨扫描","E．EMG"]
成人胸部正位摄影焦-片距为() ["A．50cm","B．70cm","C．90cm","D．100-120cm","E．150-180cm"]
试述覆盖义齿的优缺点。
