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A bone marrow sample obtained from an immunocompromised patient revealed small intracellular cells using a Wright’s stain preparation.  Growth on Sabouraud dextrose agar plates of a mold phase at 25°C and a yeast phase at 37°C designates the organism as dimorphic.  The mold phase produced thick, spherical tuberculated macroconidia.  What is the most likely identification?

What is the name of the condition caused by Malassezia furfur?

The vegetative hyphae of the fungus

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