什么是刚性轴?
葡萄糖进入细胞属于() ["单纯扩散","主动运转","离子通道介导的易化扩散","载体介导的易化扩散","胞吞作用"]
下列关于使用棉絮钡餐诊断食道异物不正确的是() ["A.结合常规透视摄片,絮钡可有利于检出透光或密度较低的异物
","B.异物较大,怀疑伴发食道炎症者,可使用稀钡
","C.消毒棉撕成薄片网状,浸泡在黏稠钡剂中
","D.无钡棉钩挂现象,也不能完全排除异物存留
E.絮钡可掩盖异物外形,加重阻塞,增加食管镜检的困难"]
胃液中内因子缺乏可引起下列哪种疾病() ["再生障碍性贫血","缺铁性贫血","恶性贫血","溶血性贫血","难治性贫血"]
患者,女,23岁,已婚。咳嗽2月,午后发热,身热不扬,口干口渴,舌红苔黄。上患者除抗痨治疗外可选何方() ["月华丸","百合固金汤","开郁散合消疬丸","六味地黄丸","托里消毒散"]
决定电位