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Question
Haldane effect refers to
Haldane effect refers to
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Solution
The correct option is A More acidity in the blood
- The Haldane effect is due to the higher affinity of deoxygenated haemoglobin for CO2 than oxyhaemoglobin as it is a better proton acceptor than oxyhaemoglobin.
- Therefore, when haemoglobin is deoxygenated (i.e., at tissues) there is a right shift of the carbonic acid-bicarbonate buffer equation to produce H+ (increase in acidity), which in turn increases the amount of CO2
, which can be carried by the blood back to the lungs to be exhaled.
- Then, with oxygenation at the lungs, CO2 dissociates more readily from haemoglobin. Hence, Option A is correct.
- The Haldane effect is due to the higher affinity of deoxygenated haemoglobin for CO2 than oxyhaemoglobin as it is a better proton acceptor than oxyhaemoglobin.
- Therefore, when haemoglobin is deoxygenated (i.e., at tissues) there is a right shift of the carbonic acid-bicarbonate buffer equation to produce H+ (increase in acidity), which in turn increases the amount of CO2 , which can be carried by the blood back to the lungs to be exhaled.
- Then, with oxygenation at the lungs, CO2 dissociates more readily from haemoglobin. Hence, Option A is correct.
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