A teenage male develops a severe case of "athlete's foot." He asks, "How did I get this?" The health care worker explains that certain fungi become infectious (called dermatophytes) and exhibit which of the following characteristics?
A) Prefer to grow in warm environments like shoes/socks
B) Like a moist environment
C) Limited to cooler cutaneous surfaces
D) Need higher blood flow to survive
Ans: C
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Dermatophytes are not able to grow at core body temperature, preferring the cooler surface skin areas instead of moist skin folds. Diseases caused by these organisms, including ringworm, athlete's foot, and jock itch, are collectively called superficial mycoses.
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