A.5ml
B.30ml
C.60ml
D.100ml
E.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即可产生黑便A.5mlB.30mlC.50mlD.60mlE.70ml
[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.5 mlB.60 mlC.30 mlD.100 mlE.200 ml
[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