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Microbiology and Immunology 2500 - Virology > Mycota > Flashcards

Mycota Flashcards

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1
Q

no inhalational hazard

A

yeasts

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2
Q

yeasts

A

c. albicans

cryptococcus

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3
Q

penicillium marneffi

A

only invasive penicillium

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4
Q

aspergilloma

A

occurs in immunocompetent (and compromised) people -forms a fungal ball in pre-existing pulmonary cavity)

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5
Q

Usually infects by inhalation, but also by dog bites and wood slivers

A

blastomyces dermatitidis

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6
Q

common flora yeast

A

C. albicans

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7
Q

45 degree angle hyphae splits, then parallel

A

aspergillus

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8
Q

fungus that can disseminate into the RES

A

histoplasmosis

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9
Q

begins in nasal cavity due to nasogastric tubes in immunocompromised patients. rapidly spreading, poor prognosis.

A

Mucormycosis

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10
Q

Cryptococcomata

A

Intracerebral mass lesions

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11
Q

Liver cancer

A

aflatoxin from a. flavus

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12
Q

ascospores

A

sexually formed spores

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13
Q

Mucormycosis

A

caused by mucorales species (wide hyphae, no septa)

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14
Q

satellite lesions with a silvery sheen

A

C. albicans

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15
Q

sporangea

A

the head of a mold

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16
Q

transmitted by inhalation of airborne spores from soils

A

dimorphic fungi

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17
Q

Forms mycelium (structurally)

A

hyphae

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18
Q

Green mold on bread

A

Penicillium

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19
Q

athough asymptomatic, can cause scarring of the lungs which looks like tuberculosis.

A

histoplasmosis

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20
Q

where does tinea pedis begin?

A

between the pinky and ring toe

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21
Q

What is larger, yeast or bacteria?

A

Yeast (10x)

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22
Q

Immunocompromised - contracts the aspergillus hyaline mold, what happens?

A

Mortality > 50%

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23
Q

Dermatophytes

A

trichophyton species

microsporum species

epidermophyton floccosum

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24
Q

Acquired through aerosolized bird droppings from gregarious birds

A

Cryptococcus

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25
Q

Aspergillus types

A

A. flavus

A. fumigatus

A. niger

A. terrous

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26
Q

Brown pigmented molds with septa

A

dematacious (earthy)

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27
Q

ship’s wheel lesion

A

paracoccidoides brasiliensis - disseminating to the nose

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28
Q

Aflatoxin

A

A. flavus infects peanuts and immunocompromised people

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29
Q

Otomycosis

A

Aspergillus niger

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30
Q

What are most medical molds classified as

A

hyaline

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31
Q

Immunocompetent - contracts aspergillus, what happens?

A

chronic sinusitis and aspergilloma

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32
Q

anamorphic

A

asexual stage name

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33
Q

medusa head appearance

A

a. flavus

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34
Q

what poses the inhalational hazard of a mold?

A

stolons

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35
Q

What is ringworm?

A

Tinea corpus - dermatophyte of the body and not actually caused by a worm

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36
Q

How you get athlete’s foot (tinea pedis)

A

Walking barefoot and subsequently putting on a shoe

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37
Q

fungi imperfecti

A

only asexual stage present

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38
Q

releases spores

A

the mycelium

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39
Q

No need to protect yourself from _____ in a lab

A

Dermatophytes

40
Q

Line of lymph nodes

A

sporotrichosis

41
Q

3 Bs

A

blasto, broad-based buds

42
Q

smoky green/gray fuzzy colonies

A

aspergillus

43
Q

Kentucky fungus

A

histoplasma

44
Q

grows on a monolayer like a bacteria

A

yeast

45
Q

Systemic mycoses

A

dimorphic fungi

46
Q

most common mycosis in Central and South america

A

paracoccidoides brasiliensis

47
Q

India Ink Prep

A

Can be used to see capsulized cryptococcus

48
Q
A
49
Q

Most common medical, hyaline mold

A

aspergillus

50
Q

Rhizopus, absidia, mucor

A

Mucorales species causing mucormycosis

51
Q

Unpigmented hyphae with septa

A

hyaline molds

52
Q

what is a sporangium associated with in a mold?

A

asexual reproduction - colourless when immature, black when ripe

53
Q

the only intracellular fungus

A

histoplasmosis

54
Q

infects macrophages

A

histoplasmosis

55
Q

Chronic meningitis in AIDS patients

A

Cryptococcus (disseminated)

56
Q

What inhibits the growth of tinea pedis?

A

toe jam

57
Q

double-walled wide based budding forms

A

blastomyces dermatitidis

58
Q

Wet and weepy mycelial mass on the head

A

kerion

59
Q

Colonies appear moist at beginning, but end up looking like spider webs

A

coccidoides immitis

60
Q

telomorphic

A

sexual stage name

61
Q

rhizoids below sporangiophore

A

rhizopus

62
Q

colourless when immature, black when ripe

A

sporangium

63
Q

transmitted by soil with bat droppings

A

histoplasmosis

64
Q

Is a mushroom a type of mold? Is a dermatophyte a type of mold?

A

Yes and yes

65
Q

the most dangerous and infectious of all fungi

A

coccidoites immitis

66
Q

C. albicans of the throat

A

thrush

67
Q

dimorphic fungi

A

histoplasmosis

blastomyces dermatitidis

68
Q

Antler like cigar shaped

A

epidermophyton flocossum

69
Q

Fonsecaea pedrosoi

A

Dematacious mold causing chromoblastomycosis

70
Q

Mold associated with a very poor prognosis if immunocompromised

A

Mucorales

71
Q

Rhizoids

A

roots of a mold

72
Q
A
73
Q

sporotrichosis

A

chronic lymphatic and skin infection - sporothrix schenckii

74
Q

Endogenous yeast

A

Cryptococcans

75
Q

Glass-like

A

hyaline

76
Q

barrel shaped arthroconidia in the hyphae

A

coccidoides immitis

77
Q

stolons

A

aerosolized hyphae with spores - can pose an inhalational hazard with mold

78
Q

Chromoblastomycosis

A

dematacious mold - fonsecaea pedrosoi

79
Q

Red, cigar shaped

A

trichophyton (dermatophyte)

80
Q

no rhizoids

A

mucor

81
Q

cutting the lawn

A

aspergillus

82
Q

Pointy, cigar shaped

A

Microsporum (dermatophyte)

83
Q

Aseptic, wide hyphae is characteristic of…

A

Mucorales

84
Q

Rose thorns

A

sporothrix schenkii

85
Q

athlete’s foot

A

dermatophyte tinea pedis

86
Q

conidia

A

asexually formed spore

87
Q

female sex hormones inhibit it

A

paracoccidoides brasiliensis

88
Q

most common yeast

A

C. albican

89
Q

C. albicans - exogenous or endogenous

A

Exogenous

90
Q

Hyaline molds

A

aspergillus

penicillium

dermatophytes

91
Q

Requires silver stain for imaging

A

aspergillus

92
Q

San Joaquin valley fever from desert winds

A

coccidoides immities

93
Q

exporulate by a fairy ring

A

homobisidiomycetes

94
Q

dandelion lollipop

A

a. niger

95
Q

allergic pulmonary aspergillosis

A

Aspergillus fumigatus

96
Q

forms a fungal ball in lung cavities

A

aspergilla (called an aspergilloma)

97
Q
A

Microbiology and Immunology 2500 - Virology (12 decks)

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