Blood analysis of a patient reveals an unusually high quantity of carboxyhaemoglobin content. Which of the following conclusions is most likely to be correct?
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a
The patient gas been inhaling polluted air containing usually high content of Carbon disulphide.
b
The patient has been inhaling polluted air containing usually high content Chloroform.
c
The patient has been inhaling polluted air containing usually high content of Carbon dioxide.
d
The patient has been inhaling polluted air containing usually high content of Carbon monoxide.
answer is D.
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Detailed Solution
CO binds to hemoglobin with much greater affinity than oxygen, forming carboxyhemoglobin (COHb) and resulting in impaired oxygen transport and utilization. CO2 is carried by haemoglobin as carbamino-haemoglobin (about 20-25 per cent).