Physiology An increase in which of the following parameters will shift the O2 dissociation curve to the left A Temperature B Partial pressure of CO2 C 2,3 DPG Concentration D Oxygen affinity of haemoglobin 💡 Explanation An increase in which of the following parameters will shift the O2 dissociation curve to the left ✓ Correct Answer: D. Oxygen affinity of haemoglobin