A) \[C{{O}_{2}}\] concentration decreases
B) \[C{{O}_{2}}\]concentration increases
C) \[{{O}_{2}}\]concentration decreases
D) \[\text{C}{{\text{l}}^{-}}\] concentration increases
Correct Answer: B
Solution :
The percentage of haemoglobin that is bound with \[{{C}_{2}}\]is called percent saturation of haemoglobin. It depends upon the partial pressure of oxygen (\[{{\text{P}}_{\text{02}}}\]) in blood. The relationship between (\[{{\text{P}}_{\text{02}}}\]) and percentage saturation of haemoglobin with \[{{O}_{2}}\] is graphically illustrated by a curve called oxygen haemoglobin dissociation curve. Changes in body temperature and blood pH as well as, in the concentrations of \[C{{O}_{2}}\]in blood and of 2, 3-diphosphnglvcerate in red blood corpuscles affect the oxygen affinity of haemoglobin resulting into a shifting of the \[{{O}_{2}}\]haemoglobin dissociation curve. When partial pressure of \[C{{O}_{2}}\]rises (blood pH decreases dissociation curve of oxyhaemoglobin at \[37{}^\circ C\] shift to right.
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