Colorado Esthetician Written Practice Exam 2025 - Free Esthetician Practice Questions and Study Guide

Dermatophytes are a type of fungi that are highly resistant to conventional treatments such as antibiotics. Unlike bacteria that can be treated with antibiotics, fungi like dermatophytes require antifungal medications for effective treatment. This makes choice A the correct answer.

Fungi (choice B) and viruses (choice D) are not bacteria and do not respond to antibiotic treatments. Methicillin-resistant Staphylococcus aureus (MRSA) (choice C) is a type of bacteria that is resistant to many antibiotics but not all, unlike dermatophytes which are highly resistant to antibiotics.