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
Which of the following statements about lepromin test is not true ? 
Select and explain. 
A. It is negative in most children in first 6 months of life, B. It is a diagnostic test, C. It is an impoant aid to classify type of leprosy disease, D. BCG vaccination may conve lepra reaction from negative to positive
B: It is a diagnostic test
Answer: B: It is a diagnostic test 
Explanation: Ans. is 'b' i.e., It is a diagnostic test