肺癌钙化形成的病理基础是() ["A．肿瘤瘢痕收缩 ","B．瘤内含气、扩张的细支气管 ","C．肿瘤内残存正常含气肺组织 ","D．肿瘤钙化或包埋原有钙化灶所致","E．癌细胞浸润及间质反应"]
“守株待兔”法取气管异物的方法是() ["A．钳口上下张开，在患者呼气或咳嗽时钳住上冲的异物，再旋转取出","B．钳口上下张开，在患者呼吸或咳嗽时向上冲的异物取出","C．钳口上下张开，边张开边推进，钳住异物后取出","D．钳口左右张开，在患者呼气或咳嗽时钳住异物取出","E．钳口左右张开，边开闭边推进，钳住异物后取出"]
先天性胆道闭锁的影像特征()急性胆囊炎()肝海绵状血管瘤的典型影像() ["A．肝胆动态显像胆囊延迟至4小时仍不显影","B．肝胆动态显像肠道始终不显影","C．肝胆动态显像时肝影出现及消退延迟","D．肝血池显像呈过度填充","E．肝动脉灌注显像阳性"]
阻塞性肺气肿X线透视所见，下列哪项不对() ["A．呼气时心脏和纵隔向健侧","B．吸气时心脏和纵隔向患侧","C．病侧横膈平坦，活动度较健侧差","D．病侧肺部透亮度降低","E．病侧肺部透亮度增加"]
心肌"冷区"显像()心肌"热区"显像() ["A．心肌灌注显像","B．门电路心血池显像","C．心肌梗死灶显像","D．首次通过法","E．心血池静态显像"]
肺灌注显像的机制()心肌灌注显像的机制()骨显像的机制()
