根管口是指() ["髓室和根管的交界处","根管末端的开口处","髓腔的开口处","髓室的开口处","根管的开口处"]
糖皮质激素隔日疗法的优点,正确的是() ["与皮质激素昼夜分泌的节律性无关","一般在隔日中午12时给药","隔日睡前1次给予两日用药总量","对肾上腺皮质功能的抑制较大","对肾上腺皮质功能的抑制较小"]
下列哪一种喹诺酮类药是泌尿系统感染的首选药() ["诺氟沙星","环丙沙星","依诺沙星","培氟沙星","吡哌酸"]
形成腹外疝的两个基本发病因素是() ["婴幼儿腹肌发育不全和老年人腹肌萎缩","腹股沟管和股管宽大","妊娠和重体力劳动","腹壁肌肉强度降低和腹内压增高","腹壁外伤和感染导致腹壁缺损"]
关于新生儿败血症的病原菌,下列说法错误的是()。 ["A.我国以葡萄球菌最多见","B.我国B组链球菌较多","C.医源性感染不断增多","D.耐药菌株感染有增加趋势","E.机会致病菌感染有增加趋势"]
休克的临床表现