妊娠期仰卧位低血压综合征的产生是由于（）。 ["胎盘内血流量增加","妊娠子宫压迫下腔静脉","妊娠合并贫血","胎儿供血不足","妊娠囊引起腹主动脉的轻度闭塞"]
运动系统最重要的体征是（） ["肿胀","波动","肿块","压痛","运动受限"]
儿童过敏性紫癜的激素使用指征为（） ["反复皮疹","消化道出血","轻度紫癜性肾炎","皮肤血管炎","关节炎"]
病理缩复环可见于（）。 ["前置胎盘","多胎妊娠","羊水过多","胎盘早剥","先兆子宫破裂"]
ELISA检测法适用于下列哪类细胞因子的检测（） ["促进细胞增殖的细胞因子","TNF","IFN","具有趋化活性的细胞因子","各种细胞因子"]
OSAS
