食管异物的诊断下列哪项最重要() ["A.X线摄片","B.间接喉镜检查","C.纤维喉镜检查","D.误吞异物病史","E.CT检查"]
小儿如何获得结核病的特异性免疫力() ["A.自然感染结核菌后","B.服用6~12个月异烟井","C.接种卡介苗后","D.服用VitD,钙剂","E.加强营养,高蛋白饮食"]
肺癌细支气管充气征形成的病理基础是() ["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"]
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"]
甲胎蛋白放射免疫测定()促胃液素放射免疫测定()