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': 'Amount of dissolved oxygen transpoed in 100 ml of plasma in a subject breathing 100% oxygen at 4 ATA (Atmospheric pressure) will be: \nSelect and explain. \nA. 9 ml, B. 6 ml, C. 3 ml, D. 0.3 ml', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. 9 ml', 'role': 'assistant'}]