何谓结核球?它是怎样形成的?
小肠绒毛上皮破坏致钠与葡萄糖吸收障碍()细菌肠毒素影响小肠功能致分泌性腹泻()消化功能紊乱，肠腔内渗透压增高，肠蠕动增强() ["A．生理性腹泻","B．空肠弯曲菌肠炎","C．致病性大肠杆菌肠炎","D．饮食不当引起腹泻","E．人轮状病毒肠炎"]
胃、胰腺痛的牵涉区最少在() ["A．腰骶部","B．左肩部","C．右下腹","D．上背部","E．腰背区"]
先天性肥厚性幽门狭窄常见症状()先天性巨结肠早期症状()消化性溃疡常见症状() ["A．水肿","B．便秘","C．腹痛","D．呕吐","E．呕血"]
以下哪种表现是脑垂体阻滞疗法的并发症() ["A．高热和幻觉","B．头晕","C．体温降低","D．耳聋、耳鸣","E．肢体瘫痪"]
颈部淋巴结结核，其肉眼形态如何?
