下列哪一项提示肺动脉血栓栓塞症(PE)高度可能性() ["肺灌注缺损>75%,无相应的肺通气和X线胸片异常","肺灌注缺损等于胸片对应阴影范围","单个不匹配的中肺段灌注缺损,而X线胸片正常","肺灌注缺损<总肺野的50%,而肺通气缺损区、X线胸片病变区均≥灌注缺损区","灌注缺损区小于X线胸片异常"]
Ⅲ度子宫脱垂是指()。 ["子宫下降,宫颈外口距离处女膜小于4cm","宫颈于阴道口即可看到","宫颈脱出阴道外","宫颈及部分宫体脱出阴道口外","宫颈及宫体全部脱出至阴道口外"]
临床实验室测定血清胆固醇的常规方法是() ["硫酸葡聚糖-酶沉淀法","GPO-PAP法","高效液相层析法","二氯甲烷/硅酸/变色酸法","GHOD-PAP法"]
对肺栓塞的诊断的灵敏度上,肺灌注显像较X线平片为() ["明显高","明显低","相仿","两者均不灵敏","均灵敏"]
形成子宫脱垂最主要的因素是()。 ["长期腹压增加","分娩损伤","产褥期过早活动","盆底组织发育不良","盆腔炎"]
吉兰-巴雷综合征表现为()周期性瘫痪表现为()进行性肌营养不良表现为()重症肌无力表现为()