This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: mycology, Subject name: Microbiology
Trichophyton species can infect 
Select and explain. 
A. Skin, hair and nail, B. Skin and nail, C. Hair and nail, D. Skin and hair
A: Skin, hair and nail
Answer: A: Skin, hair and nail 
Explanation: Trichophyton - hair, skin and nail. Microsporum- hair and skin. Epidermophyton- skin and nail. Reference: Textbook of Microbiology; Baveja; 4th edition .