During exercise, increase in O2 delivery to muscles is because of all except
Correct Answer: Oxygen dissociation curve shifts to left
Description: Hb-O2 dissociation curve shift to left indicates more affinity of Hb to O2 and thus less delivery of O2 to tissues. Exercise causes increased 2,3 DPG.
Shift to left seen in
- Increased pH
- Decreased 2,3 DPG, temperature, PCO2
- HbF (Fetal)
Shift to right seen in
- Decreased pH
- Increased 2,3DPG, temperature, PCO2
- HbS (Sickle cell)
Category:
Physiology
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