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1. |
What happen when the exposure to carbon monoxide (from coal gas) is extremely dangerous and can kill a patient? |
A. | The compound carboxy-haemoglobin (COHb) it forms with haemoglobin can gradually clot the blood resulting in circulatory failure. |
B. | COHb reduces the ability of blood to transport oxygen by rupturing a vast majority of erythrocytes. |
C. | COHb is stable compound and thus deprives blood of its ability to transport oxygen. |
D. | COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen. |
Answer» D. COHb greatly modifies the structure of haemoglobin thus making it lose its affinity for oxygen. | |