In carbon monoxide poisoning there is?

Increase in carbon dioxide concentration

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Decrease in oxygen availability

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Decrease in free haemoglobin

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None of the above

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Solution

The correct option is C Decrease in free haemoglobin
The correct answer is C
Hemoglobin has more affinity to CO and readily binds to it. This will result in the decrease in the Oxygen carrying capacity of the hemoglobin due to the unavailability of the free $O_{2}$ binding sites on the hemoglobin molecule.

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1 d m^{3}

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