发生化学品事故后，首先应迅速将警戒区内无关人员()，以防止人员伤亡。 ["集中","稳定","撤离","分散"]
间质中出现有助于诊断的砂粒体的甲状腺癌是() ["A．滤泡性腺癌","B．乳头状癌","C．髓样癌","D．未分化癌","E．混合细胞癌"]
下列哪项与甲状腺滤泡性癌有关() ["A．有无滤泡形成","B．包膜或血管有无肿瘤细胞浸润","C．有无完整的包膜","D．多发于青少年","E．以上均不是"]
低位肠梗阻()幽门梗阻()肠扭转() ["A．胆汁性呕吐","B．粪性呕吐","C．血性呕吐","D．呕吐宿食伴酸臭味","E．喷射性呕吐"]
颈中部淋巴结转移性肿瘤灶中可见淀粉样物，首先考虑的原发灶是() ["A．鼻咽泡状核细胞癌","B．甲状腺髓样癌","C．肺小细胞癌","D．甲状腺乳头状癌","E．甲状腺滤泡癌"]
肠管呈代偿性肥厚可引起低渗性缺水()肠管迅速膨胀，肠管变薄，可引起等渗性缺水()持续腹痛血便，肠鸣音微弱或消失有腹膜刺激征()呕吐粪样内容物，高度膨胀()
