Amoeba (Protozoans) Flashcards
All amoeba ha ve cystic stage except?
a. E. gingvalis
b. E. histolytica
c. E. coli
a
All amoeba inhabit the colon/intestine except
a. E. gingvalis
b. E. histolytica
c. E. coli
a
All amoeba are commensal (Non pathogenic but resides in the body) except?
a. E. gingvalis
b. E. histolytica
c. E. coli
b
All of the following are extraintestinal causing amoeba except:
a. Naegleria fowleri
b. Acantamoeaba spp.
c. Entamoeba gingicalis
d. E. polecki
e. E. histolytica
d
Most invasie
a. E. gingivalis
b. E. histolytica
c. E. coli
d. E. hartmanni
b
E. histolytica causes invasive intestinal and extra-intestinal disease and leads to more serious complication
E.dispar is commensal
T or F
T
How is E. histolytica and E. dispar differentiated?
PCR
E. histolytica is the only amoeba that can cause
a. Diarrhea
b. Liver abcess
c. Charcot leyden Crystals
b
The cyst of this can survive in moist and desiccated environment for several weeks even in gastric acid
a. E. gingvalis
b. E. histolytica
c. E. coli
d. E. hartmanni
b
Pathogenesis of E. histolytica is:
a. Amoebic dysentery
b. Flasked-shaped ulcer
c. all of the above
d. None of the above
b
E. histolytica can pass through the feces
T or F
T
Both cyst and trophozoite of E. histolytica can be seen in the microscope
T or F
T
Fishy odor happens in bacillary diarrhea instead of amebic diarrhea
T or F
F
Baligtad
What amoeba causes irriation if the persons wears contact lens
acanthamoeba
Acanthamoeba can cause chronic meningoencephalitis in what type of patients?
AIDs
