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MYCOVIR > fungcul > Flashcards

fungcul Flashcards

1
Q

Most MOLDS grow best at

A

25-30°C

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2
Q

Most YEAST grow best at

A

35-37°C

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3
Q

causes rose gardener’s
disease

A

Sporothrix schenckii

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3
Q

Most pathogenic fungi grow best:

A

30 to 32°C

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4
Q

Sporothrix schencki temp

A

25 to 27°C than 30°C

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4
Q

Once an individual is thorned that contains
Sporothrix schenckii, it will cause

A

cutaneous mycoses

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5
Q

general incubation period

A

14 days

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6
Q

incubation period respiratory, bone marrow, blood specimens, and specimens in which dimorphic fungus are suspected

A

28 days

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6
Q

For differentiation of C. dubliniensis versus Candida albicans

A

Birdseed Agar (Niger Seed Agar; Staib Agar)

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6
Q

to detect presence of yeast in the mouth,
throat, or vagina (cytologic specimen: cells) incubation period

A

7 days:

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7
Q

incubation period tissues and sterile body fluids other than
blood

A

21 days

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7
Q

what are the General purpose media

A

(a) Sabouraud dextrose
(b) malt extract and seldom is
(c) brain heart infusion medium

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7
Q

antibiotic added to prevent the growth of
bacteria

A

Chloramphenicol

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7
Q

Recommended for slide cultures

A

Potato Dextrose Agar

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7
Q

antifungal added to reduce the growth of
environmental fungi

A

Cycloheximide

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7
Q

recommended for the cultivation of fastidious
pathogenic fungi, such as Histoplasma capsulatum and Blastomyces dermatitidis

A

Brain Heart Infusion (BHI) Agar

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8
Q

primary medium for clinically encountered fungi and used for inducing an isolate to exhibit a characteristic
pigment and conidia.

A

Potato Dextrose Agar

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8
Q

For pigment production by Cryptococcus neoformans and Cryptococcus gattii

A

Birdseed Agar (Niger Seed Agar; Staib Agar)

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8
Q

medium for primary isolation of fungi directly from specimens

A

Sabouraud dextrose agar (SDA)

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8
Q

good medium for fungal detection, isolation and enumeration on yeast and mold

A

Malt Extract agar

8
Q

used in distinguishing the different genera of yeast and the various species of Candida

A

Corn Meal Agar with Tween 80

9
Q

red indicator of DTM

A

Phenol red solution

10
Q

Combination of SDA and BHI

A

SABHI Agar

11
Q

Dermatophytes change the color of the medium from

A

yellow to red within 14 days.

12
Q

Isolation and definitive differentiation of the most common encountered yeasts.

A

CHROMagar Candida Medium

13
Q

appear as purple fuzzy colonies.

A

krusei

13
Q

Rapid growers growth rate

A

24 hours

13
Q

colonies appear as cream to white
smooth colonies

A

glabrata

14
Q

Most appropriate culture medium for Candida

A

CHROMagar

14
Q

appear as blue to metallic blue
colored raised colonies.

A

tropicalis

15
Q

appear as light green colored smooth
colonies

A

albicans

16
Q

Detection of Trichosporon and Trichophyton spp.

A

Urea Agar

16
Q

Detection of Microsporum audouinii and M. canis

A

Rice medium

16
Q

Lesser disruption of colony compared to tease mount

A

Cellophane Tape

16
Q

Dimorphic fungi growth rate

A

= 1-4 weeks

16
Q

The colonies are disturbed from their original
position but a rapid method for identification of conidia and spores.

A

Tease Mount

17
Q

agar that Form malassezia

A

Dixon agar

18
Q

Dematiaceous fungi growth rate

A

1-5 days

18
Q

Growth requirements (macroscopic)
* vary stain to stain however generally requires sources of

A

Carbon, Nitrogen and Vitamins.

19
Q

the worm that migrates at night to the anal area to lay its egg

A

Enterobius vermicularis

20
Q

Screening test which is used to differentiate Candida albicans from other yeast

A

Germ Tube Test

20
Q

aka seat worm or human pinworm

A

Enterobius vermicularis

21
Q

The best method for preserving and observing the actual structure of a fungus

A

Slide culture

22
Q

Differentiate Trichophyton spp.

A

Hair perforation test

22
Q

(+) urease on

A

Cryptococcus, Rhodotorulla,
Trichosporon spp., Trichophyton mentagrophytes

23
Q

(-) urease

A

albicans

24
Q

example of dimorphic

A

Histoplasma capsulatum,
Blastomyces dermatitidis, Paracoccidioides brasiliensis

24
Q

example of dematiaceous fungi

A

black yeast

MYCOVIR (4 decks)

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