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: Microbiology
Dermatophyte which does not involve nail 
Select and explain. 
A. Trichophyton, B. Microsporum, C. Epidermophyton, D. None of the above
B: Microsporum
Answer: B: Microsporum 
Explanation: Trichophyton - Infect skin, Hair and nail.
Microsporum - Infect skin, Hair.
Epidermophyton - Infect skin, Nail.