完全信息的预期价值
气微腥,味麻辣的药材是() ["蛤蚧","蟾酥","鹿茸","熊胆","麝香"]
初产妇,足月,于晨6时临产,15时宫口开大4cm,23时30分宫口开大7cm,应诊断为() ["A.潜伏期延长","B.活跃期延长","C.活跃期停滞","D.第二产程停滞","E.第二产程延长"]
期望货币价值
初产妇,妊娠39周,于晨2时临产,8时自然破膜,18时30分查宫口开大2cm,此时应诊断为() ["潜伏期延长","活跃期延长","活跃期停滞","第二产程停滞","第二产程延长"]
预期利润