免疫应答的重要特征不包括（） ["识别自己","识别异己","特异性","记忆性","遗传性"]
阵发性右上腹痛、寒战高热、黄疸黄疸、胆囊增大和肝大 ["胆总管结石继发胆管炎","壶腹部肿瘤","早期肝癌","门脉高压症","病毒性肝炎"]
决定Ig的类和亚类的部位是（） ["VL+VH","VL+CL","铰链区","CH","CL"]
下列细胞属于CD4+亚群的是（） ["抑制性T细胞","辅助性T细胞","细胞毒性T细胞","总T细胞","B细胞"]
可以介导Ⅰ型超敏反应，在特异性过敏反应和寄生虫早期感染患者血清中可升高的抗体是（） ["IgG","IgM","IgD","IgE","IgA"]
最易引起休克的胆道疾病是胆囊结石最常见的并发症是
