Select the MOST CORRECT answer.
| | Carbon dioxide is transported in the blood mostly bound tohemoglobin or dissolved in plasma. |
| | Hemoglobin has a higher affinity for oxygen than myoglobin,allowing a fairly rapid movement of oxygen from muscle to plasmaduring exercise. |
| | Bicarbonate ion is pumped into and out of the red blood cell bya chloride antiporter. |
| | Both a) and b) are correct and c) is incorrect. |
| | a), b) and c) are all correct. |
Select the MOST CORRECT answer. Hemoglobin...
| | is nearly saturated with oxygen in most tissues, regardless ofthe partial pressure of oxygen. |
| | exhibits different affinity for oxygen, depending on itsenvironment. |
| | has four Heme groups where oxygen and carbon dioxide bind. |
| | Both a) and b) are correct and c) is incorrect. |
| | a), b) and c) are all correct. |
