下列磺酰脲类口服降糖药中,适宜于糖尿病合并肾病患者的是() ["瑞格列奈","格列苯脲","氯磺丙脲","格列吡嗪","格列喹酮"]
患者,男,70岁,体重60kg,全胃切除术后5天,大量肠液自腹腔引流管引出,左上腹疼痛。查体:左上腹轻压痛,无肌紧张。首选的治疗措施是()。 ["A.急症手术","肠外营养","要素饮食","普通饮食","输血"]
喉咽部的黏膜是()。 ["单层柱状上皮","单层立方上皮","复层柱状上皮","复层扁平上皮","假复层纤毛柱状上皮"]
儿童期急性骨髓炎脓肿穿透干骺端骨皮质后,可直接进入关节的部位是()。 ["胫骨上端","胫骨下端","股骨上端","股骨下端","肱骨上端"]
肺痈之成痈期的主要病理是() ["A.热伤肺气","B.热壅血瘀","C.肉腐血败","D.热毒留恋","E.痰热内盛"]
简述生物素-亲和素系统的特点。