This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Scabies, Pediculosis, Subject name: Dental
[{'content': 'Dermatophytes involve- \nSelect and explain. \nA. Stratum corneum, B. Stratum lucidum, C. Stratum malpighian, D. Stratum basale', 'role': 'user'}, {'content': 'Answer: A \nExplanation: DERMATOPHYTOSIS Infection caused by dermatophytes. Superficial cutaneous infection. Affects stratum corneum layer of skin , hair and nails Trichophoton species affects skin , hair and nails Epidermophyton Affects skin and nails Microsporum Affects skin and hair Iadvl textbook of dermatology page page 253', 'role': 'assistant'}]