This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
True about Hb dissociation curve is: 
Select and explain. 
A. Acidosis shifts 02 dissociation curve to right, B. T CO2 shifts the curve to left, C. Hypoxia shifts curve to left, D. All
A: Acidosis shifts 02 dissociation curve to right
Answer: A: Acidosis shifts 02 dissociation curve to right 
Explanation: A i.e. Acidosis shifts O2 dissociation curve to right