NEET 2004 Biology question
Blood analysis of a patient reveals an unusually high quantity of carboxy-haemoglobin content. Which of the following conclusions is most likely to be correct ? The patient has been inhaling polluted air containing unusually high content of -
Answer: (3)
Solution
Carboxy-haemoglobin (HbCO) is formed when carbon monoxide (CO) combines with haemoglobin. CO has an affinity for haemoglobin about 200-250 times greater than that of oxygen, so it displaces from Hb and reduces the oxygen-carrying capacity of blood, causing CO poisoning. Hence an unusually high HbCO level
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