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Exchange of Gases

Fear or excit...

Question

Fear or excitement, generally cause on to breathe rapidly and it results in the decrease of $C O_{2}$ concentration in blood. In what way will it change the pH of blood?

pH will increase

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pH will decrease

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No change

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pH will adust to 7

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Solution

The correct option is C No change
As blood is a buffer solution so its $p H$ will remain constant and doesn't change with conc. of $C O_{2}$

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