测定胎儿唾液腺成熟度()测定胎儿宫内安危情况简便方法()估算胎儿大小的方法() ["A．胎动","B．B超测量双顶径","C．羊水中淀粉酶值","D．测量子宫长度及腹围","E．OCT试验"]
血E3值持续缓慢下降()血E3值下降>50%()尿E3值 ["A．胎儿情况良好","B．胎儿宫内发育迟缓","C．胎儿宫内死亡危险","D．胎盘功能低下","E．过期妊娠"]
关于血液稀释对机体的影响，不正确的() ["A．对改善脑缺血有一定的作用","B．有利于防止肾衰竭","C．短时间内输入大量晶体液可发生肺水肿","D．不会引起心肌缺血缺氧","E．一般不会对凝血功能产生明显影响"]
判断胎儿储备功能的筛选试验()判断胎儿储备功能()检查胎儿有无开放性神经管缺损() ["A．NST反应","B．OCT试验","C．L/S比值","D．胎儿头皮血pH测定","E．甲胎蛋白(AFP)测定"]
一体重为10kg小儿禁食4小时，施行肠套叠松解手术2小时。采集自体血500ml后，如单用平衡盐溶液补充失血，输入多少恢复血容量最佳() ["A．500ml","B．800ml","C．1000ml","D．1500ml","E．3000ml"]
胎头受压()脐带受压()胎盘功能减退()
