子宫疼痛的牵涉区主要在() ["A．中腹部","B．下腹部","C．腰骶部","D．上腹部","E．剑突下"]
局麻药的麻醉效能主要决定于() ["A．pKa(离解常数)","B．相对分子质量","C．浓度","D．脂溶性(分配系数)","E．蛋白结合"]
能产生肠毒素，对肠粘膜组织无损伤，大便镜检偶见白细胞()大便呈水样或蛋花汤样，镜检阴性或脂肪球较多()大便含脓血，镜检类似菌痢样改变() ["A．轮状病毒","B．产毒性大肠杆菌","C．致病性大肠杆菌","D．侵袭性大肠杆菌","E．白色念珠菌"]
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"]
结核结节的组成成分有哪些?有何意义?
