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: Dental
The following test is not used for diagnosis of leprosy – 
Select and explain. 
A. Lepromin test, B. Slit skin smear, C. Fine needle aspiration cytology, D. Skin biopsy
A: Lepromin test
Answer: A: Lepromin test 
Explanation: Lepromin Test is not used to diagnose leprosy, nor does it indicate prior contact with lepra bacilli. Healthy persons in nonendemic areas with no chance of contact with the bacillus may give a positive lepromin test.