血中Hb,含量低于多少时,即使重度缺氧,亦发现发绀A.<90g/LB.<80g/LC.<70g/LD.<60g/LE.<50g/L
血中Hb,含量低于多少时,即使重度缺氧,亦发现发绀
A.<90g/L
B.<80g/L
C.<70g/L
D.<60g/L
E.<50g/L
相关考题:
8岁小儿重度贫血的诊断指标是A. Hb>120g/LB. Hb90~120g/LC. Hb60~90g/LSXB 8岁小儿重度贫血的诊断指标是A. Hb>120g/LB. Hb90~120g/LC. Hb60~90g/LD. Hb30~60g/LE. Hb<30g/L
6岁小儿轻度贫血的诊断指标是A. Hb>120g/LB. Hb90~120g/LC. Hb60~90g/LSXB 6岁小儿轻度贫血的诊断指标是A. Hb>120g/LB. Hb90~120g/LC. Hb60~90g/LD. Hb30~60g/LE. Hb<30g/L
有关血红蛋白含量的临床意义描述正确的是A.极重度贫血,Hb量<30g/LB.重度贫血,Hb量在30~60g/LC.中度贫血,Hb量在60~90g/LD.轻度贫血,Hb量在90 g/L与低于正常参考的下限之间E.消化道溃疡可出现Hb>160g
单选题血中Hb含量低于多少时,即使重度缺氧,亦难发现发绀()A50g/LB60g/LC70g/LD80g/LE90g/L