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In a direct examination of a KOH wet mount of a nail specimen, Epidermophyton floccosum will be seen as

Which of the following fungi is NOT considered an opportunistic pathogen?

Zygomycetes are rapidly growing, airborne saprobes.  In clinical specimens they

Which of the following yeast enzymes is detected using birdseed agar?

A woman went to her doctor for a painful lesion on her thumb that developed after doing some spring cleanup in her rose beds.  An examination of the direct tissue exam revealed small, cigar-shaped conidia.  The culture was incubated at room temperature and grew as a mold-like colony after 5 days.  A lactophenol cotton blue microscopic preparation revealed thin, delicate, hyaline, septate hyphae with conidia at the tips of the conidiophores in a rosette pattern.   Which of the following is most likely?

Penicillium can best be separated from Aspergillus by

A mold that produces colonies with a dark brown, green-black, or black appearance of both the surface and reverse side which is also evident in the microscopic exam is classified as a

This organism, commonly known as desert or valley fever,  is specific to the San Joaquin Valley region of California.

A culture of skin scrapings reveals a fungus that produces club-shaped (spatulate) macroconidia and no microconidia.  Which of the following organisms is most likely?

A common presentation of infection with this organism is “fungus ball”.