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
What is the infective stage of Acanthamoeba?
Trophozoite
It enters through broken skin, nose and eyes
What is the appearance of amoebic liver abscess to T. histolytica?
Anchovy Sauce
Iodine used to detect trop
Neutral red used to detect Cyst
T or F
F
Baligtad
