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
[{'content': '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 – \nSelect and explain. \nA. Sensation testing, B. Lepromin test, C. Slit smears, D. Skin biopsy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]