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
[{'content': 'Furasol DA is : \nSelect and explain. \nA. Free radical, B. Aificial blood, C. CO antagonist, D. Used to increase 02 delivery to tissue', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Used to increase oxygen delivery to tissue', 'role': 'assistant'}]