不感蒸发的量每日约A.200mLB.600mLC.800mLD.1000mL

气管切开病人每日呼吸失水约（)。A．400mlB．600mlC．800ml D．1000mlE．1200ml

气管切开病人每日呼吸失水约（)。A．400mlB．600mlC．800ml D．1000mlE．1200ml

气管切开病人每日呼吸失水约A.400mLB.600 mLC.800 mLD.1000 mLE.12

可引起成人血压下降的最低失血量是A.400mlB.600mlC.800mlD.1000ml##

上消化道出血出现周围循环衰竭时 提示出血量超过A.500mlB.600mlC.800mlD.1000mlE.1200ml

正常足月妊娠羊水量约为A.400mlB.600mlC.800mlD.1000mlE.1