protozoans Flashcards
most invasive of the parasites in the Entamoeba family
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
Escherichia histolytica
- most invasive
entamoeba that is large race, pathogenic, hematophagus and tissue invading
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
Entamoeba histolytica (magma form) - large race, pathogenic, hematophagus and tissue invading
Entamoeba hartmanni (minuta form) - small race and non pathogenic
which of the following protozoans ha a cigar shaped or sausage shape chromatoidal bar
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
Entamoeba histolytica
- ciagr shaped
or
- sausage shaped chromatoidal bars
which of the following entamoeba has a Directional motility
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
Entamoeba histolytica
- DIRECTIONAL MOVEMENT OR MOTILITY
SLUGGISH MOTILITY
- E. hartmanni
- E. polecki
- E. coli
- E. nana
causative agent of Amebiasis in humans
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
entamoeba histolytica
what test can differentiate E. histolytica from E. dispar
a. permanent stain
b. culture
c. PCR
PCR can differentiate E. histolytica from E. dispar
what is the appearance of the cytoplasm of e. dispar
a. basket
b. feathery
c. ground glass
ground glass cytoplasm together with E. histolytica
______ can cause 2nd amoebic meningococcemia
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
E. histolytica can cause 2nd amoebic meningococcemia
morphologically similar but genetically different from E. histolytica
a. E. gingivalis
b. E. hartmanni
c. E. coli
d. E. dispar
e. dispar
entamoeba that is small, ninhematophagous and have a sluggish motility
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
E. hartmanni
dirty looking endoplasm
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
entamoeba coli
1-8 nuclei
SPLINTER LIKE ENDS or
BROOMSTICK APPEARANCE
Largest entamoeba
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. dispar
entamoeba coli
how many nuclei have Entamoeba coli
a. 1-4
b. 1-8
c. 2
1-8 nuclei
parasite of monkeys and pigs
a. E. polecki
b. E. hartmanni
c. E. coli
d. E. dispar
entamoeba polecki
parasite that inhibit the oral cavity
a. E. histolytica
b. E. hartmanni
c. E. coli
d. E. gingivalis
entamoeba gingivalis
which of the following parasites ingests WBC, EC and BACTERIA
a. entamoeba histolytica
b. entamoeba dispar
c. entamoeba gingivalis
d. iodamoeba butschii
entamoeba gingivalis
which of the following entamoeba has vigorous movement
a. entamoeba polecki
b. entamoeba dispar
c. entamoeba gingivalis
d. iodamoeba butschii
entamoeba gingivalis
which of the follwoing entamoeba has a undirectional or progeressive motility
a. entamoeba polecki
b. entamoeba dispar
c. entamoeba gingivalis
d. iodamoeba butschii
entamoeba polecki
which of the following parasite ha large irregular karyosome
a. entamoeba polecki
b. endolimax nana
c. entamoeba gingivalis
d. iodamoeba butschii
endolimax nana
- large irregular karyosome
- smalles intestinal potozoa
- may mimic Dientamoeba fragilis and e. hartmanni
smallest intestinal protozoa
a. entamoeba hartmanni
b. endolimax nana
c. entamoeba gingivalis
d. iodamoeba butschii
endolimax nana
this parasite is surrounded by achromatic granules
a. entamoeba polecki
b. endolimax nana
c. entamoeba gingivalis
d. iodamoeba butschii
iodamoeba butschii
this parasite has a large glycogen vacuole
a. entamoeba polecki
b. endolimax nana
c. entamoeba gingivalis
d. iodamoeba butschii
iodamoeba butschii
which of this parasite has a nucleus : basket
a. entamoeba polecki
b. endolimax nana
c. entamoeba gingivalis
d. iodamoeba butschii
iodamoeba butschii
this parasite infects the colon. and the transmission may occur by way of ova of pinworm
a. entamoeba polecki
b. dientamoeba fragilis
c. entamoeba gingivalis
d. iodamoeba butschii
dientamoeba fragillis
- no cystic stage
- 1-2 rosette shaped nuclei
- amoeboid pathogen that infects the colon
best technique to identify the dientamoeba fragilis
a. permanent stain
b. biopsy
c. gram stain
permanent stain
this ameboid like protozoan that inhibits the large bowel
a. balstocystis hominis
b. dientamoeba fragilis
c. entamoeba gingivalis
d. iodamoeba butschii
blastocystis hominis
culture for blastocystis hominis
a. boeck and drbohlav’s
b. nelson and jones media
c. both
d. nota
blastocystis hominis
- inhibits large bpwel
- lacks of cell wall
- central body form
- culture : BOECK AN DDRBOHLAV OR NELSON AND JONES MEDIA
which of the following free living amoebae is isolated from contact lenses cleaning solution and swimming pool and also in csf
a. acanthamoeba
b. balamuthia mandriallis
c. naegleria fowleri
acanthamoeba
- sluugish spipnelike pseudopodia
- polydirectional motility
- isolated form contact lens solution , swimming pools and csf
which of the following free living amoebae has a causative agent of granulomatous amoebic meningoencephalitis
a. acanthamoeba
b. balamuthia mandrialis
c. naegleria fowleri
acantamoeba
which of the following free living amoebae has a culture : non nutrient agar plate seeded with lawn of heat killed or living escherichia coli
a. acanthamoeba
b. balamuthia mandrialis
c. naegleria fowleri
acantamoeba
- culture: PGYC
- causative agent : granulomatous amoebic meningoencephalitis
- culture : non nutrient agar plate seeded with lawn of heat killed or living escherichia coli
which of the following free living amoebae has a LEPTOMYXID AMOEBA
a. acanthamoeba
b. balamuthia madrialis
c. naegleria fowleri
balamuthia mandrialis
- leptomyxid amoeba ; also cause GAE
- similar or acanamoeba
causative agent of PRIMARY AMOEBIC MENINGOENCEPHALITIS
A. acanthamoeba
b. balamuthia mandrialis
c. naegleria fowleri
naegleria fowleri
what is the mode of transmission of naegleri fowleri
a. hand to mouth
b. from ova of pinworm
c. olfactory neuroepithelium
olfactory neuroepithelium
under phase contrast microscopy whic parasite has a lobose monopseudopodium
a. acanthamoeba
b. balamuthia mandrialis
c. nnaegleria fowleri
naegleria fowleri at phase microscopy has a LOBOSE MONOPSEUDOPOSIUM
- VERY PROMINENT NUCLEUS
- CENTRALLY LOCATED NUCLEOLUS
which of the following is the best technique to identify Dientamoeba fragilis in stool?
a. formalin concentrate
b. Trichome stained smear
c. modified acid fast stained smear
d. giemsa staine
b. trichome stained smear
because there is no known cyst form, the best tecbique tio recover and identify D. fragilis troph would be trichome staine smear
harr pg. 464
