子宫内膜不规则脱落的主要发病机制是() ["无排卵,孕激素分泌不足","凝血功能异常","卵泡发育不良,雌激素分泌不足","子宫内膜增生过长","黄体萎缩不全"]
男性,54岁,腹股沟斜疝发生嵌顿,行手法复位后,护理上应密切观察() ["体温、脉搏","血压","神志","尿量","腹膜炎表现"]
患者男性,28岁,为静脉药瘾者,发热3周,超声心动图示二尖瓣、三尖瓣赘生物,诊断感染性心内膜炎,最可能的致病菌是() ["A.金黄色葡萄球菌","B.草绿色链球菌","C.肠球菌","D.真菌","E.衣原体"]
青年男性,大面积烧伤8小时,已静脉输液3000ml,判断其血容量是否补足的简便、可靠的指标是() ["脉搏","血压","呼吸","尿量","中心静脉压"]
患者女性,40岁,风心病二尖瓣狭窄并关闭不全,发热5周,间断口服抗生素治疗,镜下血尿1周,结膜下可见数个出血点,疑诊亚急性细菌性心内膜炎,最可能的致病菌是() ["金黄色葡萄球菌","草绿色链球菌","肠球菌","真菌","衣原体"]
属上运动神经元瘫痪最确切体征是()