Oxygen dissociation curve shifts to the right by all of the following except:
Correct Answer: Rise in pH
Description: A shift to the left indicates acceptance of oxygen by hemoglobin and the shift to right indicates dissociation of oxygen from hemoglobin. Factors favoring shift to right are —
Decreased PO2
Increased PCO2 (Bohr effect)
Increase in H+ concentration or decreased pH
Excess of 2, 3 DPG (exercise, high altitudes)
Increased body temperature
Category:
Physiology
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