下述二尖瓣关闭不全的诊断要点，错误的是() ["A．心尖区闻及收缩期杂音","B．肺充血","C．支气管分叉角扩大","D．间隔线","E．心后间隙缩小"]
下述肺源性心脏病X线表现，哪项不对() ["A．多有双肺纹理减少，纤细表现","B．双肺体积增大","C．肺动脉段突出","D．右下肺动脉直径大于13mm","E．右心室增大"]
正常后前位胸片上，左心缘见不到() ["A．主动脉结","B．肺动脉段","C．右心室","D．左心耳","E．左心室"]
能促进叶酸利用，同时可提高疗效()治疗有神经系统症状的大细胞性贫血首选药() ["A．维生素B","B．叶酸","C．维生素C","D．维生素B","E．铁剂"]
营养性巨幼细胞贫血神经系统表现()营养性缺铁性贫血神经系统表现() ["A．智力和动作发育落后有倒退现象","B．兴奋、多动","C．注意力不集中，记忆力减退","D．感觉异常","E．腱反射减弱"]
人体内铁的储存形式()人体内铁的运输形式()原卟啉+铁+珠蛋白()血清铁与未饱和铁结合力之和()血清铁与血清总铁结合力的百分比()
