当血液循环中,还原血红蛋白的绝对量超过多少时出现紫绀:( )A.50g/LB.100g/LC.70G/LD.40g/LE.61g/L
当血液循环中,还原血红蛋白的绝对量超过多少时出现紫绀:( )
A.50g/L
B.100g/L
C.70G/L
D.40g/L
E.61g/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
当血液循环中,还原血红蛋白的绝对量超过多少时出现紫绀:( )
A.50g/L
B.100g/L
C.70G/L
D.40g/L
E.61g/L