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: Social & Preventive Medicine
[{'content': 'Retrospective evaluation of medical performance is known as - \nSelect and explain. \nA. Medical audit, B. Medical evaluation, C. Performance evaluation, D. Professional screening', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is `a' i.e., medical Audit", 'role': 'assistant'}]