<prompt> All the following factors shift the oxygen dissociation curve to the right except:CO2temperature2, 3 DPGpH  <response>: Ans: D pH Ref: Guyton Hull. Transport of Oxygen and Carbon Dioxide in Blood and Tissue Fluids. In: Textbook of Medical Physiology. 12th ed. Philadelphia: SaundersElsevier: 2012. p 500.Explanation:Factors shifting oxygen dissociation curveShift to leftShift to Right Temperature Temparature pH pH pCO2 2.3 DPG pCO2 2, 3 DPGFetal Hb. Carbon monoxidepO2 