女性尿道长约() ["A．3～5cm","B．4～6cm","C．2.5～3.5cm","D．4.5～5.5cm","E．6.5～7.5cm"]
关于细菌性痢疾的病理改变，叙述错误的是() ["A．细菌性痢疾的肠道病变主要在结肠","B．乙状结肠和直肠病变最显著","C．病变可导致肠穿孔","D．急性期病变为弥漫性纤维蛋白渗出性炎症","E．结肠粘膜可覆盖灰白色假膜"]
输精管壶腹是() ["A．输精管在膀胱底处的膨大","B．输精管在精索部的膨大","C．输精管在睾丸部的膨大","D．输精管在腹环处的膨大","E．输精管在腹股沟部的膨大"]
关于细菌性痢疾的发病机制，叙述错误的是() ["A．痢疾杆菌进入人体后是否发病，取决于细菌数量、致病力和人体抵抗力","B．其致病力取决于对肠粘膜上皮细胞的吸附和侵袭力","C．进入肠道的细菌要克服正常菌群的拮抗作用","D．细菌进入固有层才能引起粘膜炎症","E．痢疾杆菌不能侵入血流发生败血症"]
肾髓质的肾锥体数量是() ["A．7～9个","B．10～14个","C．10～20个","D．20～24个","E．24～28个"]
病人自控镇痛术(PCA)
