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': 'Sensitivity means the ability to detect - \nSelect and explain. \nA. True negative, B. True positive, C. False negative, D. False positive', 'role': 'user'}, {'content': 'Answer: B \nExplanation: For easy to remember :\nSensitivity → "I know my patient has the disease. What is the chance that the test will show that my patient has it".\nSpecificity → "I know my patient doesn\'t have the disease. What is the chance that the test will show that my patient doesn\'t have it".', 'role': 'assistant'}]