This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Dermatophytosis, Subject name: Skin
[{'content': 'Kerion is seen in : \nSelect and explain. \nA. Pityriasis, B. Dermatophytosis, C. Candidiasis, D. Trichomoniasis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans is 'b' Dermatophytosis Dermatophytosis is superficial fungal infection of the skin.These infections are restricted to the invasion of homys structures, Stratum corneum, Nail & Hair.Tinea is group name for highly contagious mycelial fungus. There are 3 distinct genera in this group.1. Epidermophyton (No hair involvement)2. Microsporum (No Nail involvements)3. Trichophyton Tinea Capitis - is caused mainly by Trichophyton and microspora. The lesion produced are of 4 types.1. Scaly Type2. Kerion - usually caused by Trichophyton. Initially boil like lesions later painless boggy swellings are produced.3. Black dot4. Favus", 'role': 'assistant'}]