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Microbiology > Mycology > Flashcards

Mycology Flashcards

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Biology 101 flashcards
1
Q

spaghetti and meatballs appearance of organism of skin scrapings on KOH mount

A

Malassezia furfur

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2
Q

Disease caused by Malassezia furfur

A

Pityriasis versicolor - hypo/hyper-pigmented macules on skin

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3
Q

Pathophysiology of Pityriasis versicolor

A

M. furfur produces acid that interferes with melanin production

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4
Q

black 2-celled oval yeast with sharp septum

A

Hortaea wernickii

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5
Q

Disease caused by Hortaea wernickii

A

Tinea nigra (ink-spot dz) - black macules on skin

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6
Q

black nodules on hair shaft

A

Piedraia hortai

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7
Q

Disease caused by Piedraia hortai

A

Black piedra

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8
Q

creme-colored nodules on hair shaft

A

Trophosporum beigelli

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9
Q

Disease caused by Trophosporum beigelli

A

White piedra

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10
Q

How would you ID Trophosporum beigelli in the lab?

A

creme-colored nodules on hair shaft composed of hyphae that fragment into arthrospores

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Microbiology (5 decks)

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