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[填空题,简答题] 肛管的下界为(),上界为()。

患者,女,26岁,已婚。突发尿痛、尿频、尿急,腹痛半天。检查:肾区无叩击痛,尿中白细胞(++),中段尿细菌培养为大肠杆菌。其诊断是() ["急性肾盂肾炎","肾结核","急性膀胱炎","肾结石","慢性肾炎"] 一般情况下,舒张压的高低主要反映() ["心肌收缩力","外周阻力","每搏输出量","大动脉弹性","循环血量"] 不宜采用塑化疗法的是() ["根尖孔尚未闭合的年轻恒牙","乳牙","根管闭锁的前牙","A+B","A+B+C"] 铁最容易沉着在() ["无色素睫状上皮","晶体上皮","视网膜","上皮组织","虹膜开大肌"] 香粉() ["含砷高","含汞高","含镍高","含镉高","含铅高"] 肛管的下界为(),上界为()。
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