皮肤粘膜发绀时.其毛细血管血液中还原血红蛋白量超过A.50g/LB.40g/LC.30g/LD.20g/LE.10g/L
皮肤粘膜发绀时.其毛细血管血液中还原血红蛋白量超过
A.50g/L
B.40g/L
C.30g/L
D.20g/L
E.10g/L
相关考题:
当毛细血管血液的还原血红蛋白超过下列何值,皮肤粘膜可出现发绀:A.50g/LB.60g/LC.30g/LD.40g/L
皮肤粘膜发绀时.其毛细血管血液中还原血红蛋白量超过
A.50g/L
B.40g/L
C.30g/L
D.20g/L
E.10g/L