A 17-year-old high school football player presents with burning, itching, and peeling skin between his toes. He visits his physician because home treatment is not working. The physician suspects one of three possible dermatophytes is the cause of the infection. The image provided is the microscopic examination of the colony that eventually grew on DTM medium.
Source: CDC and Dr. Libero Ajello
This organism will be
A) urea positive.
B) positive for in-vitro hair perforation.
C) an olive or khaki colony.
D) able to produce a red pigment on CMA.
Correct Answer:
Verified
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