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
The causative agent of Favus is 
Select and explain. 
A. Microsporum audounii, B. Microsporum canis, C. Trichophyton mentagrophyte, D. Trichophyton schoenleinii
D: Trichophyton schoenleinii
Answer: D: Trichophyton schoenleinii 
Explanation: Favus is caused by Trichophyton schoenleinii and Trichophyton violaceum. Trichophyton mentagrophyte causes Tinea barbie and ectothrix hair infection. Microsporum audouinii - Tinea capitis and ectothrix hair infection. Microsporum canis infects dogs and cats. Reference: Textbook of Microbiology; Baveja; 4th edition