引起发绀的毛细血管内还原性血红蛋白应超过A.40g/LB.10g/LC.30g/LD.50g/LE.20g/L
引起发绀的毛细血管内还原性血红蛋白应超过
A.40g/L
B.10g/L
C.30g/L
D.50g/L
E.20g/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
引起发绀的毛细血管内还原性血红蛋白应超过
A.40g/L
B.10g/L
C.30g/L
D.50g/L
E.20g/L