化学危险品的包装和____必须符合国家规定。() ["商标","标志","颜色","形状"]
回肠—结肠型套叠钡灌肠的典型征象是()低位小肠梗阻()克罗恩病的X线钡餐检查表现()结肠息肉X线钡灌肠的征象是() ["A．充盈缺损","B．“杯口”征","C．回肠末端肠腔狭窄，管壁僵硬，呈线样征","D．“鸟嘴”征","E．腹中部“阶梯状”排列"]
下列哪种疾病不应呈现甲状旁腺功能亢进症() ["A．维生素D缺乏","B．甲状腺髓样癌","C．骨多发转移癌","D．慢性肾功能障碍","E．慢性肝功能障碍"]
肠套叠钡灌肠的典型征象是()乙状结肠扭转钡灌肠的典型征象是()左半结肠癌常见X线征象是()结肠息肉的X线征象是() ["A．“铅管”征","B．杯状狭窄","C．充盈缺损","D．“鸟嘴”征","E．“杯口”征"]
关于结节性甲状腺肿的记述，哪一项是错误的() ["A．结节具有完整的包膜","B．结节对周围甲状腺组织无明显压迫作用","C．滤泡上皮有乳头状增生者癌变率高","D．结节内常有出血坏死纤维增生等改变","E．从弥漫性甲状腺肿可以移行为结节性甲状腺肿"]
克罗恩病最多见于()肠结核好发于()急性出血性肠炎主要发生于()小儿肠套叠最多见于()老年人肠癌导致肠梗阻病变多位于()
