Mycology

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25 Terms

1
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What is the size of yeast in relation to Staphs or Streps?

smaller than both

2
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What 2 nonselective media do we use to culture fungi (yeasts and molds)?

  1. Sabouraud’s dextrose agar (SAB)

  2. Potato flake agar

3
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Why is potato flake agar enriched?

promotes sporulation and pigmentation production

4
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What temperature should you grow fungi in?

room temp (25-30C)

5
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What media is used to culture germ tube - yeast species?

corn meal agar

6
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<p>What species of yeast can have <strong>tiny projections</strong> from its colonies?</p>

What species of yeast can have tiny projections from its colonies?

Candida albicans

7
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What species of yeast is most common cause of yeast infections and causes blood stream infections?

Candida albicans

8
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<p>What species of yeast is germ tube +?</p>

What species of yeast is germ tube +?

Candida albicans

9
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<p>What species of yeast has these results:</p><p>germ tube: -</p><p>blastoconidia</p><p>pseduohyphae</p><p><strong>chlamydospores</strong></p>

What species of yeast has these results:

germ tube: -

blastoconidia

pseduohyphae

chlamydospores

Candida albicans

10
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What species of yeast has these results:

germ tube: -

blastoconidia

pseduohyphae

Candida species

11
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What is the second most common species of Candida isolated?

Candida galbrata

12
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What species of yeast causes meningitis in immunocompromised/HIV patients?

Cryptococcus neoformans

13
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What species of yeast is urease + and produces brown colonies on bird seed agar?

Cryptococcus neoformans

14
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India ink is used to make the capsule visible for what species of yeast?

Cryptococcus neoformans

15
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<p>What species of yeast has these results:</p><p>germ tube: -</p><p>blastoconidia ONLY</p>

What species of yeast has these results:

germ tube: -

blastoconidia ONLY

Cryptococcus neoformans

16
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<p>What species of yeast produces a <strong>salmon-pink</strong> colony commonly found in <strong>showers/tubs</strong>?</p>

What species of yeast produces a salmon-pink colony commonly found in showers/tubs?

Rhodotorula species

17
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The presence of _____________ may be indicative of an invasive yeast infection and not normal flora.

pseudohyphae

<p>pseudohyphae</p>
18
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<p>What dermatophyte is this?</p>

What dermatophyte is this?

Epidermophyton

19
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<p>What dermatophyte is this?</p>

What dermatophyte is this?

Microsporum

20
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<p>What dermatophyte is this?</p>

What dermatophyte is this?

Trichophyton

21
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<p>What opportunistic mold looks like a <strong>dandelion</strong>?</p>

What opportunistic mold looks like a dandelion?

Aspergillus

22
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<p>What opportunistic mold looks like a <strong>tulip</strong>?</p>

What opportunistic mold looks like a tulip?

Penicillium

23
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<p>What opportunistic mold looks like green beans?</p>

What opportunistic mold looks like green beans?

Fusarium

24
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<p>What opportunistic mold has <strong>long stems</strong>?</p>

What opportunistic mold has long stems?

Rhizopus

25
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<p>What opportunistic mold looks like a <strong>lightbulb</strong>?</p>

What opportunistic mold looks like a lightbulb?

Mucos/Lichtheimia (common bread molds)