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
A 16 year old student reported for the evaluation of multiple hypopigmented macules on the trunk and limbs.All of the following tests are useful in making a diagnosis of leprosy, except – 
Select and explain. 
A. Sensation testing, B. Lepromin test, C. Slit smears, D. Skin biopsy
B: Lepromin test
Answer: B: Lepromin test 
Explanation: None