血液中CO的主要运输形式是A.HCOB.HCOC.氨基甲酸血红蛋白D.物理溶解COE.CO
血液中CO
的主要运输形式是
![](https://assets.51tk.com/images/153825ba15bd7485_img/a4c0fdfcc97b66f9.gif)
A.HCO![](https://assets.51tk.com/images/153825ba15bd7485_img/0884e872ae0eb2bb.gif)
B.H
CO![](https://assets.51tk.com/images/153825ba15bd7485_img/01c1c16f72db99b1.gif)
C.氨基甲酸血红蛋白
D.物理溶解CO![](https://assets.51tk.com/images/153825ba15bd7485_img/5b043b5fa36371f3.gif)
E.CO![](https://assets.51tk.com/images/153825ba15bd7485_img/04d22bc124a4dbc9.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/0884e872ae0eb2bb.gif)
B.H
![](https://assets.51tk.com/images/153825ba15bd7485_img/9ea2482439718287.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/01c1c16f72db99b1.gif)
C.氨基甲酸血红蛋白
D.物理溶解CO
![](https://assets.51tk.com/images/153825ba15bd7485_img/5b043b5fa36371f3.gif)
E.CO
![](https://assets.51tk.com/images/153825ba15bd7485_img/04d22bc124a4dbc9.gif)
参考解析
解析:血液中CO
有三种运输方式,即物理溶解、与HCO
结合、与Hb结合成氨基甲酸血红蛋白(Hb- NHCOO
)。因为组织细胞代谢过程中产生的 CO
自细胞进入血液的静脉端毛细血管,使血浆中 PCO
升高,其大部分CO
又扩散入红细胞,在红细胞内碳酸苷酶的作用下,生成H
CO
,再解离成H
和 HCO
,并以HCO
形式随循环进入肺部。因肺部 PCO
低,PO
高,红细胞中HCO
与H
结合生成 H
O和CO
,后者通过呼吸排出体外。红细胞中一部分CO
以Hb - NHCOO
形式运输,占CO
运输总量的13%~15%,溶解状态运送的CO
仅占8.8%。因此血液中CO
的主要运输形式是HCO
。
![](https://assets.51tk.com/images/153825ba15bd7485_img/949f0946b38db102.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/5a8687bf354b9b1e.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/0cd55b9a595ce83e.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/c6afa76abfbae272.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/2ac5d78a57daae26.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/fcd8943eae5eba75.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/6cb8276b2e0f71a3.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/0669073a3329c86a.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/bcd1f3cd0c47039d.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/4ec8286572876aed.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/7882838faa1cb447.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/999d61b5b82f975b.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/aab747d840c9b3ca.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/ddaad213968197e0.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/b75cff4544a362e9.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/52f1117462bbbb4d.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/a03bb5a089ee43f1.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/819254cf22ea75da.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/f4ab24f9754dfbc7.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/2fa9722d5c0f0bbe.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/2cfb5ac1ed7f5470.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/942d8b17c80dd252.gif)
![](https://assets.51tk.com/images/153825ba15bd7485_img/5e5c45575d829c50.gif)
相关考题:
单选题血液中CO2的主要运输形式是( )。AHCO3-BH2CO3C氨基甲酸血红蛋白D物理溶解CO2ECO32-