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: Skin
[{'content': 'Hidradenitis suppurativa is an affection of: March 2011 \nSelect and explain. \nA. Nail, B. Apocrine gland, C. Eccrine sweat gland, D. Sebaceous gland', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Apocrine gland Hidradenitis suppurativa (apocrine acne) is a disorder of apocrine gland', 'role': 'assistant'}]