1.5.5 Opportunistic mycoses Flashcards
Opportunistic fungal mycoses usually seen in ?
immunocompromised or depilitated person
Etiologic agens are usually saprophytic fngi which are usually not virulent
T or F
T
Etiologic agent for Thrush, Mycotic vulvovaginitis
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
a
Major cause of fungemia
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
a
Causes torulosis, Erupean Blastomycosis, Busse-buschke disease
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
b
Candida albicans able to form Germ, tubes, blastoconidia, Terminally located chlamydospore
T or F
T
Presumptive test for Candida?
a. 10% KOH
b. Germ tube test
c. Cornmeal agar
d. India ink
b
Germ tube test is used to differentiate Candida albicans with C. _________
tropicalis
Confirmatory test for Candida?
a. 10% KOH
b. Germ tube test
c. Cornmeal agar
d. India ink
c
Candida can grow at what temp to differentiate C. dubliniensis
42C
“Logs of stream”
a. Candida albicans
b. Candida glabrata
c. Candida parapsilosis
d. Candida kefyr
d
Fungemia in NICU; sagebrush colonies
a. Candida albicans
b. Candida glabrata
c. Candida parapsilosis
d. Candida kefyr
c
No pseudohyphae
a. Candida albicans
b. Candida glabrata
c. Candida parapsilosis
d. Candida kefyr
b
Candida auris can grow in MDR
T or F
T
Candida albicans has Constriction at the base between germ tube and yeast cell
T or F
F
No constriction
Colony of Candida in BAP
Footlike
Animal reservoir for Cryptococcus neoformans?
Pigeon (Poop)
which among is capsulated yeast
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
b
Culture for Cryptococcus neoformans includes SDA with cycloheximide
T or F
F
Without Cycloheximide (Anti fungal)
Selective medium for C. neoformans?
Bird Seed/Niger Agar/Staib’s medium
C. gatti can infect regardless in the individual is healthy or immunocompromised
T or F
T
Fungus Ball
a. Talaromycosis
b. Asperilloma
c. Aspergillosis
d. Pneumocystis
c
Farmer’s Lung
a. Talaromycosis
b. Asperilloma
c. Aspergillosis
d. Pneumocystis
c
Most common Aspergillus spp.
a. A. fumigatus
b. A. niger
c. A. flavus
a
Has Dichotomous Septate Hypha; Swollen Vesicle
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
c
Animal reservoir form Talaromycosis?
Bamboo bat
Yeast: Sausage
Mold: Flask Shape phialides; Paint brush like
Has TB like symptoms; HIV patients in SEA
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
d
Formerly classified as protozoan
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
e
Pneumonia among AIDS patients
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
e
Has honeycomb exudates
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
e
What is the preferred sample for Pneumocystis pneumonia?
Bronchoalveolar lavage
What is the Diagnostic stage for pneumocystis pneumonia?
Oocysts “Punch ping pong ball”
(Trophozoites)
Causes Rhinosus, Sinus orbital or craniofacial zygomycosis
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
f
Spp of Zygomyceted?
RAM
Rhizopus
Absidia
Mucor
Rapid growers “Lid lifter”
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
f
In zygomycetes, look for ___________ hypha
Coenocytic/Aseptate
Culture for zygomycetes include SDA without cycloheximide
T or F
T
Known for being rapidly fatal
a. Candida albicans
b. Cryptococcus neoformans
c. Aspergillus
d. Talaromyces (Penicillium) Marneffei
e. Pneumocystis jirovecii/P.carinii
f. Zygomycetes
f
