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| Q. |
Regarding oxygen transport: |
| A. | Haemoglobin S has glutamic acid instead of valine in the β chains |
| B. | the O2 saturation of Hb is the percentage of available binding sites that do not have O2 attached |
| C. | the oxygenated form of Hb is the T state |
| D. | cyanosis is more obvious in anaemic patients |
| E. | normal P50 is 27mmHg |
| Answer» E. normal P50 is 27mmHg | |
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