Exam 47: Laboratory Methods in Basic Mycology

A superficial skin infection, caused by Exophiala werneckii, manifested by blackish brown macular patches on the palm of the hand or sole of the foot is called

A KOH preparation of respiratory secretions of a 78-year-old man reveals large, spherical, thick-walled yeast cells 8 to 15 µm in diameter, usually with a single bud that is connected to the parent cell by a broad base.Which fungus will likely be isolated from the culture?

Features of the fungi as a group include the following:

The loose intertwined network of basic structural units of the molds which penetrates the substrate from which it obtains the necessary nutrients for growth is called the

Hyphae can be defined as

Molds that have no pigmentation within the hyphae nor the spores are referred to as

The presence of nonbudding, thick-walled spherules containing granular material in a KOH preparation of cerebrospinal fluid usually indicates infection with

Binary fission is the process of reproduction in yeast that involves

Aerial mycelia are those that serve what main purpose?

The portion of the fungus extending above the substrate surface and which often gives rise to fruiting bodies from which asexual spores are borne is known as

The reproductive process known as budding is that which involves

Unbranched sporangiophores with rhizoids that appear at the point where the stolon arises at the base of the sporangiophore would usually indicate infection with

The tubular outpouching that occurs in some yeast cells without constriction at its base is referred to as

Large, spherical, thick-walled yeast cells 8 to 15 µm in diameter, usually with a single bud that is connected to the parent cell by a broad base, usually indicates infection with

Irregular, large, ribbonlike hyphae with no apparent septa, saclike fruiting structures, and rhizoids are seen in which group of molds?

Sporangiophores that are singularly produced or branched and have at their tip a round sporangium filled with sporangiospores and the absence of rhizoids or stolons would usually indicate infection with

A chronic granulomatous infection that is characterized by swelling, purplish discoloration, tumorlike deformities of the subcutaneous tissue, and multiple sinus tracts that drain pus containing granules is called

Match the fungus with its description. Choose from the following: -Trichophyton

The genus Trichophyton is characterized by

Features of the fungi as a group include the following: