男，43岁，左中腹包块半年，轻度压痛，影像检查如图，最可能的诊断是() ["A．小网膜囊畸胎瘤","B．小网膜囊脂肪瘤","C．肠系膜淋巴管瘤","D．小网膜囊脂肪肉瘤","E．消化道重复畸形"]
临近疾病恢复期出现，并持续较长时期的抗体() ["A．IgA","B．IgM","C．IgD","D．IgE","E．IgG"]
下列哪种疾病罕见病原携带状态() ["A．流感","B．白喉","C．流脑","D．霍乱","E．痢疾"]
病原体侵入人体后，仅引起机体发生特异性的免疫应答，而不引起或只引起轻微的组织损伤，临床上不显出任何症状、体征与生化改变，只能通过免疫学检查才能发现。此种情况是() ["A．病原体被清除","B．隐性感染","C．显性感染","D．病原携带状态","E．潜伏性感染"]
对于消化道传染病，起主导作用的预防措施是() ["A．隔离治疗病人","B．隔离治疗带菌者","C．切断传播途径","D．疫苗接种","E．接触者预防用药"]
下列抗氧剂适合的药液为
焦亚硫酸钠亚硫酸氢钠硫代硫酸钠BHA
