关于踝关节骨折,下列说法错误的是() ["无移位骨折可行小腿石膏外固定","内翻骨折波及关节面1/2以上者宜手术治疗","手术固定必须坚强,以便早期功能锻炼","即使骨折固定牢固,下胫腓分离者仍需螺钉贯穿固定","开放性骨折经彻底清创后尽量采取手术内固定治疗"]
肠阿米巴病最常见的肠外并发症是() ["肺脓肿","肝脓肿","脑脓肿","心包积液","胸腔积液"]
冠心病病人行非心血管手术时围手术期发生心力衰竭的危险因素不包括()。 ["心脏肥大,心胸比值>0.55","左室射血分数<0.4","有多次心梗史","有左心衰史","兼患高血压"]
妊娠期泌尿系统变化,正确的是() ["孕妇与胎儿代谢物均由肾脏排出","肾小球滤过率与肾小管重吸收能力均相应增加","代谢产物尿素、肌酐等因排泄增多,孕妇血中浓度高于非孕妇","孕妇仰卧位时,因子宫压迫尿量减少","受雌激素影响,泌尿系统平滑肌张力降低"]
使冠心病病人术中氧耗增加的因素不包括()。 ["高血压","低血压","心动过速","高热","寒战"]
什么是脊髓压迫症?