IgA及分泌型IgA产生的部位主要是（） ["脾","扁桃体","淋巴结","胸腺","骨髓"]
便后肛门部肿物，疼痛明显者为无痛性便血，便后肛门部脱出樱桃状肿物无痛性便血，直肠指诊基本正常为直肠指诊时肛门部剧烈疼痛者为 ["内痔","外痔","肛裂","直肠息肉","直肠癌"]
口服胆囊造影经皮肝穿刺胆道造影 ["了解胆囊浓缩和吸收功能","明确肝内病变的范围和性质","了解梗阻性黄疸的部位","可显示胆道系统和胰管","了解胆道术后胆道系统的情况"]
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"]
肝叶切除适合于胆总管探查及引流术适合于Charcot五联症出现在Murphy征出现在
