题目内容

关于02在血液中运输的叙述,下列哪一项是错误的

A. 以结合的形式运输占98%
B. 02的结合形式是氧合血红蛋白
C. 02与血红蛋白结合或解离取决于氧分压的高低
D. 氧合血红蛋白呈鲜红色
E. 血红蛋白浓度低下的病人易出现紫绀

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A. Hb与02的结合是可逆的氧化作用
B. 血液[H+]升高时,Hb与02的亲和力增强
C. 氧离曲线右移,表示Hb与02的亲和力增强
D. CO与Hb的亲和力是02的210倍
E. Hb浓度低下时,氧合血红蛋白减少,血液呈紫蓝色

A. 02
B. C02
C. H+
D. N2
E. NaHCO3

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B. have a college degree
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D. have at least 2 years of related experience

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D. working under high-stress conditions