This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Metabolism of protein and amino acid, Subject name: Biochemistry
[{'content': 'Hb saturation with oxygen is mostly dependent on \nSelect and explain. \nA. pO2, B. pCO2, C. HCO3-levels, D. Hb %', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Increased pH (decreased H+), decreased temperature, decreased PaCO2, and decreased 2,3-DPG will increase oxygen binding to the haemoglobin Ref: Biochemistry by U. Satyanarayana 3rd edition Pgno : 198,199', 'role': 'assistant'}]