This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fungal infections, Subject name: Dental
Athlete's foot is caused by? 
Select and explain. 
A. Candida, B. Madurella, C. Actinomycosis, D. Dermatophytes
D: Dermatophytes
Answer: D: Dermatophytes 
Explanation: Tinea pedis is a dermatophyte infection of feet and is also referred as Athlete's foot. Tenia pedis T. Rubrum most common Dull erythema with scales. Diagnosis: KOH exam - Thick scale, no leading edge Rx: Dry Feet Don't wear the same shoes everyday, Absorbent powders Rx Scale- keratolytic agents- Salicylic acid Topical: Allylamines may be more effective than azoles Steroids for severe inflammation.