脊髓亚急性联合变性的临床表现特点包括:() ["多于中年以上起病,男女无明显差异","呈亚急性或慢性临床过程,病情渐进性发展","多数患者在神经症状出现之前有贫血表现","最早症状为足趾和手指末端出现刺痛、麻木和烧灼感等感觉异常","这种感觉异常为持续性及对称性,可有手套样、袜套样感觉减退"]
第一恒磨牙的最佳封闭年龄是() ["5~6岁","6~7岁","8~9岁","9~10岁","11~13岁"]
耳屏间切迹前,下颌骨踝状突后缘,张口有孔(听会)属于:() ["足太阳膀胱经","足少阳胆经","督脉","手少阳三焦经","手太阳小肠经"]
目前认为测量根管工作长度最准确的方法是() ["根管器械探测法","X线片法","比例计算法","根管长度电测法","电子根尖定位仪结合X线片法"]
某女,29岁。2年来月经量多色淡,近半年时间心悸,头晕眼花,纳少,腹胀,面唇淡白,舌淡苔少,脉弱,临床诊断最可能的是:() ["心血虚证","肝血虚证","心肝血虚证","心脾两虚证","心脾气虚证"]
确定混合物的MF是较麻烦的.要依它们的混合情况、存在时机、反应变化等而不同,最好的办法是直接做混合物的燃烧性或()试验。