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A patient with thickened and discolored nails was diagnosed with onychomycosis.  You received clippings of the nail in the laboratory for culture.  Microscopic analysis of the mold colony growth revealed many globose microconidia and thin walled, smooth, cigar shaped macroconidia that had four to five cells separated by parallel cross-walls.  You will identify this organism as

In which of the following specimens is it important to perform a direct examination for fungi in addition to setting up a fungal culture?

Pneumocystis differs from other fungi in that it

Of the following, the fungal species that grows as a mold at environmental temperature, and a yeast at body temperature is

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