骨软骨瘤临床表现为() ["A．生长较快，伴明显疼痛","B．肿块明显，并可见其表面静脉怒张","C．本身可无症状，但压迫周围组织可影响功能","D．X线检查见骨膜反应","E．肿块与周围界限不清"]
鼻腔、鼻窦不动纤毛综合征
胸神经根病的治疗不包括() ["A．脊柱稳定性训练","B．试用胸椎矫形器","C．工作场所的力学评价","D．椎旁脊神经根阻断","E．脊椎成形术"]
骨巨细胞瘤的性质属于() ["A．良性","B．恶性","C．潜在恶性","D．高度恶性","E．性质不明"]
胸部CR摄影时为了显示被肋骨遮蔽的肺部病变，应选用哪种后处理方法() ["A．灰阶处理","B．窗位处理","C．能量减影法","D．时间减影法","E．放大摄影"]
鼻腔气流的层流
