舌骨平对() ["颈2~3椎间盘","颈3椎体","颈3~4椎间盘","颈4椎体","颈4~5椎间盘"]
男,30岁,低热月余咳痰带血5d,3年前患过胸膜炎;X线胸片示左肺尖密度不均阴影;ESR30mm/h,WBC8.0×10/L。须了解下列哪项病史,有助于制定正确治疗方案() ["A.胸膜炎治疗用药情况","此次病后诊断经过","此前健康体检情况","青霉素过敏史","有无食物过敏史"]
关于"造釉细胞瘤"的诊断要点,错误的是() ["80%发生于上颌骨","是最常见的牙源性肿瘤","囊性或实性质地,膨胀性生长","多房者,房隔粗细不均匀","瘤内可见到移位的牙齿"]
倒钩卡环适用于下列何种情况() ["前后均有缺隙的孤立前磨牙或磨牙","缺隙侧松动天然牙的邻近基牙","基牙牙冠短而稳固,相邻两牙之间有间隙或有食物嵌塞","倒凹区在
支托同侧下方的基牙","最后孤立的磨牙"]
下列哪项不支持鼓室血管球瘤() ["搏动性耳鸣","蓝色鼓膜","神经性耳聋","CT示鼓室内软组织小肿块","颈动脉管与颈静脉管骨性边缘清晰"]
钢中的磷元素符号是()。