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: Medicine
[{'content': 'In a patient P02 is 85 mmHg, PCO2 - 50mmHg, pH is 7.2 and HCO3 is 32 meq/l is suffering from : \nSelect and explain. \nA. Respiratory acidosis with compensatory metabolic alkalosis, B. Respiratory acidosis with compensatory metabolic acidosis, C. Metabolic acidosis, D. Metabolic alkalosis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is A (Respiratory acidosis with compensatory metabolic alkalosis) Because primary respiratory component is causing acidosis and metabolic component is compensatory by producing alkaosis, the acid base disorder is Respiratory acidosis with compensatory metabolic alkalosis.', 'role': 'assistant'}]