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MycoViro > Superficial mycoses > Flashcards

Superficial mycoses Flashcards

1
Q

caused by melassezia furfur

A

pityriasis versicolor

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2
Q

major factor pityriasis versicolor

A

excessive sweating

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3
Q

other disease c/o melassezia furfur

A 
folliculitis 
sepsis
peritonitis
dacryoliths
sinusitis
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4
Q

used for direct diagnosis of furfur infectiond

A

KOH mount

wood’s light

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5
Q

causes pityriasis versicolor

A

melassezia furfur

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6
Q

causes pityriasis versicolor

A

melassezia furfur

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7
Q

catheter acquired

A

sepsis

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8
Q

itsura ng lesions sa wood’s light

A

yellow

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9
Q

causes black piedra

A

piedraia hortai

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10
Q

causes white piedra

A

trichosporon beigelli

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11
Q

KOH mount of black piedra

A

tightly packed regularly arranged thick walled cells

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12
Q

KOH mount of white piedra

A

transparent greenish irregular sheaths

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13
Q

culture for piedraia hortai

A

compact, dark brown to black conical colonies

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14
Q

culture for trichosporon beigelli

A

appears smooth, highly wrinkled or radially folded yeastlike cream colored

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15
Q

synonyms for tinea nigra

A

keratomycosis nigricans palmaris
cladosporiosis epidemica
pityriasis nigra
microsporis nigra

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16
Q

causes tinea nigra

A

cladosporium werneckii

exophiala werneckii

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17
Q

clinical manifestation of tinea nigra

A

dark patches on palm

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18
Q

cultures turn black in 2-3 weeks

A

cladosporium werneckii

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19
Q

mycotic keratitis is also called

A

keratomycosis

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20
Q

etiologic agents of keratomycosis

A

histoplasma capsulatum

fusarium solani

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21
Q

etiologic agents of keratomycosis

A

histoplasma capsulatum

fusarium solani

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22
Q

keratomycosis is more common in

A

males

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23
Q

manifestations of keratomycosis

A

raised cornea ulcers with satellite lesions, plaques or hypyon

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24
Q

etiology of cutaneous mycoses

A

dermatophytes

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25
uses keratin as substrate
keratophilic fungi
26
waxy mass of hyphal elements
scutulum
27
fungal culture uses
SDA w/ cycloheximide | chloramphenicol
28
treatment for cutaneous mycoses
azoles | griseofulvin
29
organism that brings about decay
saprobe
30
call walls of fungi contain
chitin or cellulose or both
31
obligate or facultative
fungi
32
long strands of cells with or without environmental crosswalls which grows by elongation
hyphae
33
tawag sa crosswalls
septa
34
masses of hyphae which comprises the colony of the fungus
mycelium
35
single round to oval cell that usually buds to form daughter cells
yeast
36
develop mold form colonies at RT and another form at body temp
thermally dimorphic fungi
37
refers to any reproductive structure
conidium
38
fungi that forms hyphae
molds
39
grows in or on medium
vegetative mycelia
40
grows above the surface
aerial mycelia
41
from which reporductive feature arise
fartile mycelia
42
leathery or waxy texture
glabrous
43
resembles plush or velvet fabric
velvety
44
resembles colonies of coagulase-negative staph
yeastlike
45
develop when colonies produce long aerial hyphae
cottony
46
fungi that conidiate or sporulate heavily
granular
47
most often result of the accidental or recreational ingestion of fungi
mycestimus
48
produced when grain is infected with claviceps purpurea
ergot alkaloids
49
what infects grains in ergot alkaloids
claviceps purpurea
50
contamination with aspergillus flavus
aflatoxins
51
used to measure air pollution degree
fungal spore count
52
mycoses with the highest incidence
candidiasis | dermatophytosis
53
restricts the growth of several fungi by limiting the amount of availble iron
transferrin
54
unicellular, spherical to ellipsoid fungal cells that usually reproduce budding
yeasts
55
continuation of the budding process then produces a chain of elongated yeast cells
pseudohyphae
56
growth is multicellular filamentous colonies
molds
57
growth is multicellular filamentous colonies
molds
58
cell walls are composed of
CHO layers polysacc chains glycoproteins lipids
59
produced by mating two compatible hyphal branches
zygospores
60
yeasts or molds that have melanized cell walls imparting brown to black pigment
dermatiaceous fungi
61
culture for fungi
sabouraud's agar
62
sabouraud's agar contains
glucose | modified peptone pH 7

MycoViro (9 decks)

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