FREE LIVING AMEBAE Flashcards
1
Q
trophozoite stage can transform into a flagellate stage or a resistant cyst
A
Naegleria fowleri
2
Q
opportunistic free living amoebae
A
Acanthamoeba spp.
3
Q
examples of Acanthamoeba spp.
A
A. castellanii, A. culbertsoni, A. polyphaga, A. hatchetti, A. rhysodes
4
Q
morphologically similar to acanthamoeba
A
Balamuthia mandrillaris
5
Q
Balamuthia mandrillaris
cyst:
trophozoite:
A
cyst: trilayered mesocyst
trophozoite: finger-like pseudopods
6
Q
rare cause of meningoencephalitis
A
Sappinia spp.
7
Q
diseases caused by N. fowleri
A
- Primary Amebic Meningoencephalitis (PAM)
- Acute Encephalitis
8
Q
N. fowleri diagnostic stages
A
Trophozoites (Ameboid & Flagellated)
9
Q
diseases caused by Acanthamoeba spp.
A
- Granulomatous Amoebic Meningoencephalitis (Chronic)
- Amoebic Keratitis
- Disseminated disease
- skin lesions
10
Q
Diagnostic stage of Acanthamoeba spp.
A
cysts and trophozoites