Dimorphic Pathogens

Ungraded Practice Question

The colonies growing on the surface of this brain-heart infusion with blood agar plate were "converted" from a mold colony suspected of being Histoplasma capsulatum by incubating a subculture at 37°C for 5 days. The yeast forms that must be identified in mounts made from one of these colonies to confirm the identification are:

Please select the single best answer

Elongated cells forming "cigar bodies"
Budding cells with pseudohyphae
Tightly clustered 2-3 um in diameter cells
Irregular sized cells surrounded by capsular material

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