A.5ml
B.30ml
C.50ml
D.60ml
E.70ml
[单选题]上消化道出血量达到多少时可产生黑便A.5mlB.30mlC.60mlD.100mlE.200ml
[单选题]上消化道出血量达到至少多少时可产生黑便A.5mlB.30mlC.60mlD.100mlE.200ml
[单选题]上消化道出血量达到多少时可出现呕血( )A.5mlB.30mlC.60mlD.250mlE.80ml
[单选题]上消化道出血患者粪隐血试验阳性,最少出血量是A.5mlB.20mlC.50mlD.80mlE.100ml
[单选题]一天出血量大于多少毫升可出现黑便 ( )A.20mlB.30mlC.50mlD.80mlE.100ml
[单选题]上消化道出血量达到多少时可产生黑便()A . 5mlB . 30mlC . 60mlD . 100mlE . 200ml
[单选题]上消化道出血量达到多少时可产生黑便A.5mlB.30mlC.60mlD.100mlE.200ml
[单选题]上消化道出血量达到多少时可产生黑便A.5mlB.30mlC.60mlD.100mlE.200ml
[单选题]上消化道出血量达到多少时可产生黑便A.5mlB.30mlC.60mlD.70mlE.80ml
[单选题]上消化道出血量达到多少时可产生黑便A.5mlB.15mlC.30mlD.45mlE.60ml