死胎的常见原因不包括() ["前置胎盘","胎盘早剥","IUGR","头盆不称","妊娠高血压综合征"]
严重损伤性休克抢救成功后,首先应预防的是() ["感染","肝性脑病","急性心力衰竭","肾功能衰竭","急性呼吸窘迫综合征"]
胎盘功能检查不包括() ["胎动","NST试验","B超胎儿生物物理评分","孕妇尿E3值","孕妇阴道脱落细胞检查"]
ARDS患者,行机械通气,PEEP治疗后,若低氧血症仍不能满意纠正,可采取以下哪些方法() ["俯卧位通气","液体通气","体外膜氧合","肺复张手法","反比呼吸"]
亚急性感染性心内膜炎的最常见致病菌是()。 ["幽门螺杆菌","金黄色葡萄球菌","草绿色链球菌","2型溶血性链球菌","肺炎链球菌"]
只适用于在空气中测量的是()只适用于间接致电离辐射的是()度量不同射线类型对组织和器官形成辐射危害的是()适用于任何电离辐射和受照的任何物质的是()