Mycology Flashcards

(188 cards)

1
Q

fungi are gram

A

positive

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2
Q

colonies are moist creamy, opaque, pasty

A

yeast

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3
Q

yeast grows at

A

37 deg C

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4
Q

unicellular and exist as monomorphic
a. yeast
b. mold

A

a

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5
Q

multicellular and exist dimorphic
a. mold
b. yeast

A

a

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6
Q

mold grows at

A

RT; 25-30 degC

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7
Q

what do you call a group of hyphae

A

mycelia

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8
Q

this is used for reproduction and is extended at the surface

A

aerial

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9
Q

part that is used for nutrition

A

phallus / vegetation

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10
Q

causes subcutaneous mycoses
a. sporothrix schenckii
b. histoplasma capsulatum
c. blastomyces dermitidis
d. coccidiodes immitis

A

a

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11
Q

causes systemic mycoses

A

C- capsulatum
D- dermitidis
I- immitis
B- braziliense

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12
Q

basic structural unit of fungi and also known as —-

A

hyphae; molds

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13
Q

aseptate hyphae

A

zygomycetes; Mucor, Absidia, Rhizor

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14
Q

with pectinate body
a. m. audouinii
b. microsporum canis
c. t. schoenleinii - swollen
d. epidermophyton flocossum

A

a

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15
Q

with antler hyphae
a. m. audouinii
b. microsporum canis
c. t. schoenleinii - swollen
d. epidermophyton flocossum

A

c

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16
Q

with racquet hyphae
a. m. audouinii
b. microsporum canis
c. t. schoenleinii - swollen
d. epidermophyton flocossum

A

d

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17
Q

spiral hyphae
a. trichophyton mentagrophytes
b. microsporum canis
c. t. schoenleinii
d. epidermophyton flocossum

A

a

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18
Q

with nodular bodies
a. m. audouinii
b. microsporum canis
c. t. schoenleinii - swollen
d. epidermophyton flocossum

A

b

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19
Q

dematiaceous

A

pigmentation due to melanin

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20
Q

non-pigmented

A

hyaline cast

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21
Q

structures for reproduction

A

spores

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22
Q

spores are formed as a result of nuclear fusion
a. asexual spores/ imperfect
b. sexual spores/ perfect

A

b

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23
Q

spores are formed without nuclear fusion
a. asexual spores/ imperfect
b. sexual spores/ perfect

A

a

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24
Q

asexual spores
a. teleomorph
b. anamorph
c. ascospores
d. basidiospores

A

b

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25
sexual spores a. teleomorph b. anamorph c. blastoconidia d. chamydoconida
a
26
formed thru budding - small outgrowth of hyphae pinches off a. ascospores b. blastoconidia c. chamydoconida d. zygospores
b
27
formed thru fragmentation of hyphal cells a. arthroconidia b. blastoconidia c. chamydoconida d. zygospores
a
28
formed thru enlargement of hyphal cells a. ascospores b. blastoconidia c. chamydoconida d. zygospores
c
29
formed within a SAC like structure called ASCUS a. ascospores b. blastoconidia c. chamydoconida d. zygospores
a
30
formed within a CLUB shaped structure called BASIDIUM a. ascospores b. blastoconidia c. chamydoconida d. basidiospores
d
31
formed thru the union of 2 undifferentiated cells a. oospores b. zygospores c. chamydoconida d. zygospores
b
32
formed thru the union of 2 differentiated cells a. ascospores b. blastoconidia c. oospores d. zygospores
c
33
pyriform-shaped a. microconidia b. macroconidia
a
34
spindle-shaped a. microconidia b. macroconidia
b
35
temporary mount
KOH; 10-20 percent lactophenol cotton blue india ink/nigrosin calcofluor white stain
36
detects fungal elements from skin, hair and nails a. KOH; 10-20 percent b. lactophenol cotton blue c. india ink/nigrosin d. calcofluor white stain
a
37
for preservative and stains a. KOH; 10-20 percent b. lactophenol cotton blue c. india ink/nigrosin d. calcofluor white stain
b
38
to detect c. neoformans CAPSULE a. KOH; 10-20 percent b. lactophenol cotton blue c. india ink/nigrosin d. calcofluor white stain
c
39
to demonstrate chitin on cell wall a. KOH; 10-20 percent b. lactophenol cotton blue c. india ink/nigrosin d. calcofluor white stain
d
40
permanent mounts
Periodic acid schiff and gomori's methenamine silver Mayer's mucicarmine Fontana masson ; H and E Giemsa or Wrights Gram's stain or acid fast kinyoun's
41
detect fungi in histologic sections a. Periodic acid schiff and gomori's methenamine silver b. Mayer's mucicarmine c. Fontana masson ; H and E d. Giemsa or Wrights
a
42
demonstration of C. neoformans a. Fontana masson ; H and E b. Mayer's mucicarmine c. Periodic acid schiff and gomori's methenamine silver d. Giemsa or Wrights
b
43
detects hyphal pigmentation a. Fontana masson ; H and E b. Mayer's mucicarmine c. Periodic acid schiff and gomori's methenamine silver d. Giemsa or Wrights
a
44
detects yeast within mononuclear cells i.e., Histoplasma capsulatum a. Fontana masson ; H and E b. Mayer's mucicarmine c. Periodic acid schiff and gomori's methenamine silver d. Giemsa or Wrights
d
45
demonstration of fluorescens of fungal elements usually on hair a. wood's lamp b. culture media c. incubation temperature for fungi d. antimicrobial agents in fungal media
a
46
incubation temperature for fungi
25-30 degC or RT
47
most fungi grow within -----
2 weeks incubation period
48
antimicrobial agents in fungal media
chloramphenicol and cyclohexidine
49
to prevent bacterial growth a. chloramphenicol b. cycloheximide
a
50
to prevent saprophytic fungi a. chloramphenicol b. cycloheximide
b
51
czapek agar is used to detect a. c. neoformans b. used as nutrient media to detect fungi c. aspergillus d. mycosel/mycobiotic
c
52
dermatophytes can be detected by using a. c. neoformans b. cornmeal agar c. aspergillus d. mycosel/mycobiotic
d
53
cornmeal agar is used for a. detect c. neoformans b. stimulate chlamydospore formation of C.albicans c. aspergillus d. mycosel/mycobiotic
b
54
nutrient media for fungi a. c. neoformans b. cornmeal agar c. saboraud's dextrose agar d. bird seed, niger seed, staib's medium
c
55
what culture media is being used for C. neoformans a. aspergillus b. czapek agar c. saboraud's dextrose agar d. bird seed, niger seed, staib's medium
d
56
tests that will differentiate t. mentagrophytes and t. rubrum
urease test and hair baiting/perforation
57
positive result in urease test
pink to red
58
positive result in hair baiting/perforation
v-shaped or conical hair perforation
59
t. mentagrophytes' result in hair baiting and urease test
positive
60
t. mentagrophytes' result in hair baiting and urease test
negative
61
presumptive test for candida albicans a. wood's lamp b. culture media c. urease test d. germ tube test
d
62
germ tube test procedure
small inoculum of yeast in 0.5 mL sheep's serum or rabbit's plasma then incubate at 37-37 degC no longer than 3 hrs.
63
in germ tube test this will indicate positive result
NO CONSTRICTION
64
in germ tube test positive result may be mistaken from ------- however it possess ------
hyphae; called as pseudohyphae, possesses constriction
65
this is used for rapid identification of c. neoformans a. wood's lamp b. L-dopa ferric citrate test c. urease test d. germ tube test
b
66
positive result in L-dopa ferric citrate test
black
67
this causes tinea or pityriasis versicolor
m. furfur
68
form of mycosis characterized by depigmentation/discoloration of skin
superficial mycosis
69
a lipophilic yeast
m. furfur
70
m. furfur can be describe as ----, what is its mode of transmission
spag with meatballs, direct contact
71
classify mycotic infections according to geographical distributions
superficial mycoses
72
example of superficial mycoses
tinea versicolor tinea nigra piedra - white and black
73
group of intertwined hyphae is called
mycelia/mycellium
74
plates/tubes are incubated at
ambient air
75
chronic superficial fungal infection which leads to hypopigmentation/hyper patches on skin a. pityriasis versicolor b. piedra c. tinea nigra
a
76
with sunlight exposure, the skin around the patches will tan but patches remain white a. pityriasis versicolor b. piedra c. tinea nigra
a
77
caused by M. furfur - which causes tinea or pityriasis versicolor - superficial mycosis, a lipophilic yeast with meatballs a. pityriasis versicolor b. piedra c. tinea nigra
a
78
a superficial fungal infection that causes dark brown to black painless patches on the soles of hands and feet a. pityriasis versicolor b. piedra c. tinea nigra
c
79
caused by exophiala werneckii/cortea a. pityriasis versicolor b. piedra c. tinea nigra
c
80
nodular infection of hair shaft also axillary, pubic, beard and scalp hair can also be infected a. pityriasis versicolor b. piedra c. tinea nigra
b
81
black piedra caused by a. trichosporon beigelii/cutaneum b. tinea nigra c. m. furfur d. piedraia hortai
d
82
white piedra caused by a. trichosporon beigelii/cutaneum b. tinea nigra c. m. furfur d. piedraia hortai
a
83
this affects keratinized tissues, skin, hair and nails
cutaneous mycoses
84
also known as dermatophytosis/dermatomycoses
cutaneous mycoses
85
also known as ringworm infection
cutaneous mycoses
86
agents of cutaneous mycoses
Microsporum Trichophyton Epidermophyton
87
this affects skin, hair but rarely nails a. Microsporum b. Trichophyton c. Epidermophyton
a
88
this affects skin and nail but rarely hair a. Microsporum b. Trichophyton c. Epidermophyton
b
89
this affects skin, hair and nails a. Microsporum b. Trichophyton c. Epidermophyton
c
90
which of the following is unable to produce microconidia a. trichophyton mentagrophytes b. epidermophyton floccosum c. microsporum audouinii d. trichophyton verrucosum
b
91
macroconidia is smooth-walled, appearing like beaver's tail a. epidermophyton floccosum b. microsporum audouinii c. trichophyton mentagrophytes d. trichophyton verrucosum
a
92
epidermophyton floccosum produces ----- colored colonies
khaki
93
2-4 smooth cells macroconidia a. epidermophyton floccosum b. microsporum audouinii c. trichophyton mentagrophytes d. trichophyton verrucosum
a
94
microconidia are globose and arranged in grape-like clusters a. epidermophyton floccosum b. trichophyton rubrum c. trichophyton mentagrophytes d. trichophyton verrucosum
c
95
teardrop shaped microconidia laterally on hyphae a. epidermophyton floccosum b. microsporum audouinii c. trichophyton mentagrophytes d. trichophyton rubrum
d
96
may give the so-called bird on a fence appearance a. epidermophyton floccosum b. microsporum audouinii c. trichophyton mentagrophytes d. trichophyton rubrum
d
97
produces rat tail or string bean appearing macroconidia a. epidermophyton floccosum b. microsporum audouinii c. trichophyton verrucosum d. trichophyton rubrum
c
98
large spindle shaped macronidia a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. trichophyton rubrum
c
99
thick-walled spindle shaped large multiseptate with knobby projections a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. trichophyton rubrum
c
100
positive on rice medium a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. trichophyton rubrum
c
101
positive on fluorescence under wood lamp
m. audouinii; m. canis
102
negative on fluorescence under wood lamp
m. gypseum
103
causes rose gardener's disease, dimorphic fungi a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. sporothrix schenckii
d
104
cigar-shaped yeast with single or multiple buds a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. sporothrix schenckii
d
105
conidia in flowerette arrangement a. epidermophyton floccosum b. microsporum audouinii c. microsporum canis d. sporothrix schenckii
d
106
may be diagnostic of chromoblastomycosis/chromomycosis a. epidermophyton floccosum b. microsporum audouinii c. sclerotic bodies/muriform cells d. sporothrix schenckii
c
107
also known as MOSSY FOOT DISEASE a. epidermophyton floccosum b. microsporum audouinii c. sclerotic bodies/muriform cells d. sporothrix schenckii
c
108
can cause hematomycosis a. epidermophyton floccosum b. microsporum audouinii c. sclerotic bodies/muriform cells d. sporothrix schenckii
c
109
copper colored fungal cells a. epidermophyton floccosum b. microsporum audouinii c. sclerotic bodies/muriform cells d. sporothrix schenckii
c
110
affects deep layers of skin; muscles
subcutaneous mycoses
111
agents are usually found on soil so feet is always affected a. cutaneous mycoses b. subcutaneous mycoses c. superficial mycoses d. systemic mycoses
b
112
acquired trauma a. cutaneous mycoses b. subcutaneous mycoses c. superficial mycoses d. systemic mycoses
b
113
sporothrichosis is caused by I. phialophora verrucosa II. s. schenckii III. fonsecaea pedrosoi IV. cladosporium carrionii a. I, II b. II only c. I, II, III d. IV only
b
114
chromoblastomycosis is caused by; I. phialophora verrucosa II. exophiala jeanselmi III. fonsecaea pedrosoi IV. cladosporium carrionii a. I, III, IV b. II only c. I, II, III d. IV only
a
115
phaeohyphomycosis is caused by; I. phialophora verrucosa II. alternaria III. fonsecaea pedrosoi IV. bipolaris V. curvularia VI. exophalia VII. dreschella a. I, III, IV, V, VII b. II only c. I, II, III d. II, IV, V, VI, VII
d
116
mycetoma is caused by; I. phialophora verrucosa II. exophiala jeanselmi III. fonsecaea pedrosoi IV. pseudoallescheria boydii a. I, III, IV b. II only c. II and IV d. IV only
c
117
bizzare shaped macroconidia a. trichophyton mentagrophytes b. trichophyton rubrum c. sclerotic bodies d. microsporum audouinii
d
118
microsporum audouinii result in rice medium
negative
119
systemic mycoses is caused by
dimorphic fungi
120
systemic mycoses can be acquired thru ---- and usually affects -----
inhalation; lungs
121
systemic mycoses infectious form and diagnostic form
infectious form - mold;mycelial diagnostic form - yeast
122
north american blastomycoses/ chicago disease/ gilchrist disease/ missouri river valley a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
c
123
produces yeast with single bud on a broad base a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
c
124
with round or pyriform conidia appearing like lollipops a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
c
125
mycelial; septate hyphae with round or pyriform conidia borne singly on conidiophores or directly on hyphae a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
c
126
causes San Joaquin Valley fever a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
a
127
produces a yeast appearing like thick-walled spherule with many endospores a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
a
128
barrel shaped arthroconidia alternating with empty dysjuncter cells a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
a
129
MAJOR biohazard in the lab and MOST VIRULENT of all mycotic agents a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
a
130
on MEDIA, c. immitis produces ----- appearing colonies
COBWEB
131
virulence factor of c. immitis
extracellular proteinases
132
mycelial; coarse, septate, branched hyphae that produce thick walled barrel shaped, rectangular arthroconidia that alternate with empty dysjuncter cells a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
a
133
produces yeast within mononuclear cells a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
134
to demonstrate yeast, what stain may be used
giemsa/wrights
135
h. capsulatum can be found in
bat and birds feces
136
darling's disease a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
137
cave disease a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
138
spelunker disease a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
139
reticuloendothelial cytomycosis a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
140
ohio valley fever a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
141
mycelial; septate hyphae with round pyriform microconidia on short branches or directly on hyphal stalk; later-large round, thick walled knobby tuberculate macroconidia forms a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
142
virulence factor of h. capsulatum
intracellular growth, thermotolerance, and CBP for binding calcium
143
at 37 degC, this will produce small budding yeast with mononuclear cells a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
144
at RT, this will produce septate hyphae with round pyriform microconidia and short branches knobby tuberculae a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
b
145
south american blastomycosis a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
d
146
luts splendore almeide disease a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
d
147
at 37 deg C this produces a yeast with multiple buds giving it a Ship's/mariner's/pilot's wheel appearance. It may resemble a mickey mouse cap a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
d
148
at RT, this produces terminally located chlamydoconidia, MISTAKEN as dermitidis a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
d
149
has presence of terminal chlamyconidia a. coccidiodes immitis b. histoplasma capsulatum c. blastomyces dermatidis d. paracoccidiodes brasiliensis
d
150
major cause of opportunistic infection in those with AIDS a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
151
causes european blastomycosis a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
152
causes torulosis, cryptococcosis a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
153
causes torula meningitis a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
154
causes bussebuschke disease a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
155
produces an encapsulated yeast that can be demonstrated using india ink a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
b
156
cyptococcus neoformans phenol oxidase, urease and nitrate test result
phenol oxidase and urease - positive nitrate - negative
157
most common cause of yeast infection worldwide a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
d
158
a normal flora but can be opportunistic a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
d
159
causes vulvovaginitis and oral thrush a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
d
160
forms germ tubes and blastoconidia a. coccidiodes immitis b. cryptococcus neoformans c. blastomyces dermatidis d. candida albicans
d
161
candida albicans positive growth is at
42 deg
162
test to differentiate candida albicans from c. tropicalis
germ tube test
163
presumptive test for c. albicans
germ tube test
164
causes pulmonary disease and otomycosis a. pneumocystis jirovecii b. absidia c. talaromyces marneffei d. aspergillus spp
d
165
agent of fungus ball, aspergilloma a. pneumocystis jirovecii b. absidia c. talaromyces marneffei d. aspergillus spp
d
166
aspergillus spp also known as
farmer's lung disease
167
aspergillus spp is acquired thru
inhalation
168
black pepper effect on culture media, fungus ball in lungs a. aspergillus fumigatus b. talaromyces marneffei c. aspergillus niger d. candida albicans
c
169
most common cause of pulmonary aspergillosis often found in compost piles and soil of potted plants. a. aspergillus fumigatus b. talaromyces marneffei c. aspergillus niger d. candida albicans
a
170
aspergillus fumigatus color on culture media
green
171
causes talaromycosis a. aspergillus fumigatus b. talaromyces marneffei c. aspergillus niger d. candida albicans
b
172
talaromyces marneffei is what type of fungi
dimorphic
173
talaromyces marneffei is previously called as
penicillium marneffei
174
talaromyces marneffei yeast appearance
sausage shaped
175
talaromyces marneffei mold appearance
flask shaped phialides, paint brush like
176
TB like symptoms in HIV patients in SEA a. aspergillus fumigatus b. talaromyces marneffei c. aspergillus niger d. candida albicans
b
177
this causes rhinosinus, sinus orbital or craniofacial zygomycosis a. aspergillus fumigatus b. talaromyces marneffei c. zygomycetes d. candida albicans
c
178
rapid growers 'lid lifters' with aseptate hyphae a. aspergillus fumigatus b. talaromyces marneffei c. zygomycota d. candida albicans
c
179
zygomycota has positive growth on
SDA without cycloheximide
180
classified as fungi imperfecti, normal mycoflora of commodities - rice a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. acremonium
a
181
wound infection and oral thrush that forms hockey stick shaped arthroconidia on corn meal agar a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. acremonium
b
182
can cause keratitis, external ear infection a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. acremonium
c
183
can cause mycetoma, corneal and nail infections a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. acremonium
d
184
previously a protozoa but now an atypical fungus a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. pneumocystis jirovecii or carinii
d
185
formerly known as PCP - pneumocystis pneumonia a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. pneumocystis jirovecii or carinii
d
186
pneumonia in AIDS individual acquired from immunocompetent mammals a. fusarium - hyaline mold b. geotrichum c. penicillum - hyaline mold d. pneumocystis jirovecii or carinii
d
187
preferred sample in pneumocystis jirovecii or carinii
Bronchoscopy and Bronchoalveolar Lavage (BAL)
188
stain of choice for cyst in pneumocystis jirovecii or carinii but not in trophozoite
gomori methenamine silver