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
Retrospective evaluation of medical performance is known as - 
Select and explain. 
A. Medical audit, B. Medical evaluation, C. Performance evaluation, D. Professional screening
A: Medical audit
Answer: A: Medical audit 
Explanation: Ans. is `a' i.e., medical Audit