以下哪项关于产毒性大肠杆菌致病特点的阐述是错误的() ["A．粘附在上部小肠粘膜上皮细胞上","B．产生肠毒素","C．毒性可通过质粒传递给其他大肠杆菌","D．不影响双糖酶的活性","E．造成粘膜组织严重损伤"]
椎间盘感染首选的影像学检查方法是() ["A．X线平片","B．DSA","C．MRI","D．核素","E．超声"]
有助于再生障碍性贫血诊断的影像学方法是() ["A．X线平片","B．MRI","C．DSA","D．CT","E．超声"]
肝细胞气球样变与嗜酸性变()肝脏体积缩小() ["A．急性普通型肝炎","B．急性重型肝炎","C．两者均有","D．两者均无"]
主动脉夹层MRI检查的优点不包括() ["A．可行任意方向切层","B．均能发现夹层撕裂口","C．能显示附壁血栓","D．能动态观察血流变化","E．无射线，无创伤，可重复性强，有利于复查"]
小叶中央型肺气肿()全小叶型肺气肿()
