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': 'Specificity of a diagnostic test denotes: September 2009, March 2013 (b, e) \nSelect and explain. \nA. True negative, B. False positive, C. False negative, D. True positive', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: True negative', 'role': 'assistant'}]