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Transport of Carbon Dioxide

The maximum a...

Question

The maximum affinity of haemoglobin is with

A

Carbon monoxide

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B

Carbon dioxide

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C

Oxygen

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D

Ammonia

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Solution

The correct option is
C

Carbon monoxide
Affinity of haemoglobin towards carbon monoxide is approximately 230 times greater than that for oxygen. Thus it can easily displace oxygen in the blood and can prove to be fatal.

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Q. Assertion :Anemic hypoxia is caused when a person is in heavy traffic for a very long time Reason: Carbon monoxide has a higher affinity to haemoglobin than carbon dioxide and oxygen

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Q. State whether the following statements are true or false.
The affinity of haemoglobin for carbon monoxide is more than its affinity for oxygen.

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Haemoglobin has a higher affinity for oxygen than for carbon monoxide.

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