成骨肉瘤属于() ["A．骨瘤样病变","B．良性骨肿瘤","C．恶性骨肿瘤","D．有恶性倾向的良性骨肿瘤","E．继发性骨肿瘤"]
阴道毛滴虫最常见寄生部位是() ["A．女性消化道","B．男性生殖道","C．男性尿道","D．女性阴道后穹隆","E．女性泌尿生殖道"]
骨巨细胞瘤的好发部位是()软骨母细胞瘤的好发部位是() ["A．干骺端","B．骨骺","C．脊椎","D．上下颌骨","E．胸骨及肋骨"]
骨软骨瘤()骨肉瘤() ["A．X线片示：自长骨干骺突出的骨性病损","B．X线片示：短骨膨胀，有蜂窝状骨吸收区夹杂钙化斑块","C．X线片示：骨膜板层状或葱皮状反应性骨形成和骨破坏","D．X线片示：骨端膨胀性溶骨性破坏","E．X线片示：长骨干骺端骨破坏和日光射线现象，可有Codman三角"]
滴虫性阴道炎发病机制主要是() ["A．滴虫增强乳酸杆菌的糖原酵解作用","B．滴虫妨碍乳酸杆菌的糖原酵解作用","C．原虫溶解阴道上皮细胞","D．滴虫大量增殖","E．滴虫侵入阴道上皮"]
骨瘤属于()内生软骨瘤属于()骨巨细胞瘤属于()
