关于嗜铬细胞瘤,下列选项正确的是()。 ["大多数为恶性","大多为良性,可手术根治","良性,可选用药物根治","恶性,选用131I-MIBG治疗可获根治","药物治疗首选β受体阻滞剂"]
引起继发性甲状腺功能减低症最常见的病因是() ["希恩综合征","缺碘性地方性甲状腺肿","慢性淋巴性甲状腺炎","先天性甲状腺发育不良","甲状腺大部切除术后"]
具有利尿作用的小儿穴位是() ["揉二马","退六腑","推箕门","揉板门","开天门"]
未经治疗的弥漫性毒性甲状腺肿的镜下形态学特征应除外() ["滤泡增生,滤泡大小不等","滤泡上皮细胞呈立方形或高柱状","滤泡内胶质少而稀薄","间质血管减少","多量淋巴细胞浸润并有滤泡形成"]
以下哪种药物对升白细胞无效果() ["泼尼松","维生素B4、维生素B6","利血生","鲨肝醇","维生素B1、维生素B12"]
新生儿肺出血的影像学特点。