This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Communicable diseases, Subject name: Social & Preventive Medicine
[{'content': 'Not true about lepromine test is - \nSelect and explain. \nA. Helps in classification of leprosy, B. Negative in most of the child in 1st 6 month of life, C. It is a diagnostic test, D. BCG vaccination conves lepra reaction from negative to positive', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lepromin test is not a diagnostic test. The 2 drawbacks that stand in the way of this test being used for diagnosis are : Positive results in non cases Negetive results in lepromatous or near lepromatous cases Reference; Park&;s Textbook of preventive and social medicine, 24th edition.Pg no. 338', 'role': 'assistant'}]