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mycology Flashcards

(78 cards)

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1
Q

infection of skin, hair and nails

A

trichophyton

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2
Q

infection of skin and hair

A

microsporum

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3
Q

infection of skin and nails

A

epidermophyton

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4
Q

dermatophytes

A

cutaneous

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5
Q

malassezia furfur

A

superficial (skin)

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6
Q

sporothrix

A

subcutaneous

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7
Q

chronic infections often located in the warm, humid areas of the body

A

dermatophytes

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8
Q

tinea corporis

A

body ringworm

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9
Q

inflamed circular border containing papules and vesicles surround a clear area of normal skin

A

dermatophytes

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10
Q

dermatophytes diagnostic test

A

10% KOH

wood lamp
microsporum will fluoresce under UV light (green fluorescence)

saboraud’s agar: hyphae and conidia

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11
Q

dermatophytes secretes the enzyme

A

keratinase

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12
Q

tx dermatophytes

A

topical imidazole

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13
Q

tx tinea unguium and capitis

A

oral griseofulvin

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14
Q

asteroid bodies

A

sporothrix

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15
Q

rossette, daisy like clusters of conidia

A

sporothrix

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16
Q

round, oval, cigar shaped yeast cella

A

sporothrix

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17
Q

tx cutaneous sporothrix

A

potassium iodide

oral itraconazole

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18
Q

tx systemic sporothrix

A

ampothericin B

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19
Q

SPHERULE AT 37C

A

Coccicoides immitis

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20
Q

Coccicoides immitis transmission

A

inhalation of arthrospores

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21
Q

desert areas of SW USA, N mexico

A

Coccicoides immitis

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22
Q

erythema nodosum- desert bumps
arthralgia- desert rheumatism
meningitis

A

Coccicoides immitis

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23
Q

tx Coccicoides immitis

A

DOC
Ampothericin B
Itraconazole

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24
Q

Coccicoides immitis tx if w/ meningitis

A

fluconazole

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25
from bird droppings of starling or bat guano
histoplasma capsulatum
26
inhalation of airborne microconidia
histoplasma capsulatum
27
2 asexual spores in histoplasma capsulatum
trabeculate macroconidia | microconidia
28
fate of microconidia in histoplasma capsulatum
develop into budding yeast macrophage
29
can mimic PTB
histoplasma capsulatum
30
TX histoplasma capsulatum
DOC Ampothericin B Itraconazole
31
INHALATION OF conidia east and cental US
Blastomyces dermatitidis
32
Broad based bud
Blastomyces dermatitidis
33
chronic pneumonia ulcerated granuloma verrucous skin--> SCC
Blastomyces dermatitidis
34
DOC Blastomyces dermatitidis
Itraconazole
35
tx severe Blastomyces dermatitidis
ampothericin B
36
Rarest systemic fungal infection
Blastomyces dermatitidis
37
Protective against paracoccicoides
estradiol
38
doc paracoccicoides
itraconazole
39
germ tube at 37C
Candida
40
oval yeast with a single bud or as a pseudoyphae
candida
41
oropharyngeal candida
nystatin swish and swallow
42
skin chlamydial infection
clotrimazole
43
disseminated candidiasis
ampothericin B
44
Chemoprophylaxis against chlamydia
fluconazole
45
yeast form only
cryptococcus neoformans
46
inhalation of yeast cells from bird/pigeon
cryptococcus neoformans
47
oval yeast with narrow based bud surrounded by wide polysaccharide
cryptococcus neoformans
48
diagnostic cryptococcus neoformans
``` india ink (clear halo) mucicarmine (red inner capsule) ```
49
detects polysaccharide capsular antigen in cryptococcus neoformans
CALAS
50
cryptococcus neoformans TX
Ampothericin B + Flucytosine followed by fluconazole for cryptococcal meningitis
51
chemoprophylaxis of cryptococcus neoformans
fluconazole
52
exist as molds only
aspergillosis
53
transmission of aspergillosis
inhalation of conidia
54
acute angle hyphae
aspergillosis
55
monod sign
aspergillosis (aspergilloma)
56
air crescent sign
aspergillosis (necrotizing pneumonia)a
57
allergic bronchopulmonay aspergillosis tx
corticosteroids
58
tx aspergilloma
thoracic surgery
59
invasive aspergillosis tx
voriconazole | caspofungin
60
prophylaxis for invasive aspergillosis and candida infection
posaconazole
61
saprophytic molds
rhizopus | mucor
62
broad, non septated branching hyphae
rhizopus | mucor
63
right angle hyphae
rhizopus | mucor
64
rhizopus | mucor penetrate through
cribriform plate
65
rhino-orbito-cerebral infection
rhizopus | mucor
66
black necrotic eschar
rhizopus | mucor
67
tx rhizopus | mucor
ampothericin B
68
UNICELLULAR FUNGI FOUND IN RESPI TRACT
Pneumocystis jirovecii
69
inhalation of cysts
Pneumocystis jirovecii
70
disc shaped yeats
Pneumocystis jirovecii
71
major surface glycoprotein of Pneumocystis jirovecii undergoes
programmed rearrangement
72
morphologic state of Pneumocystis jirovecii
trophozoite sporozoite cyst
73
mc AIDS defining illness
Pneumocystis jirovecii
74
diagnosis of Pneumocystis jirovecii by staining BAL washings with
toluidine blue | methenamine silver staining
75
used to determine bet colonization and active infection in Pneumocystis jirovecii
PCR
76
Lab finding in Pneumocystis jirovecii
LDH>220
77
Pneumocystis jirovecii TX
TMP-SMX
78
Pneumocystis jirovecii TX IN SULFA Allery
pentamidine atovaquone dapsone- PROPHYLAXIS

microbiology (5 decks)

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