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': 'In the management of leprosy, Lepromin test is most useful for \nSelect and explain. \nA. Herd Immunity, B. Epidemiological investigations, C. Prognosis, D. Treatment', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Uses of Lepromin test:\n- Evaluation of CMI status of patients\n- Aid to confirm the classification of Leprosy\n- Estimation of prognosis of cases', 'role': 'assistant'}]