This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Which of the following is a type of cutaneous tuberculosis? \nSelect and explain. \nA. Pemphigus vulgaris, B. Scrofuloderma, C. Lupus pernio, D. Lupus panniculitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Scrofuloderma is a type of cutaneous tuberculosis involving formation of sinuses and scarring. The most common site is cervical region.', 'role': 'assistant'}]