1. Home
  2. Flashcards
  3. Preview

10.Entamoeba Coli

  1. Entamoeba coli is the most common _______ of humans.
    endocommensal -a commensal dwelling within the body of its host.
  2. E. coli feeds on ________.




    C. Bacteria and other cells.
  3. True or false. Entamoeba coli is a non-pathogenic amoebae of man and reside in the large intestine of a human host.
    True. It does not invade tissues.
  4. E.coli commonly inhabits what part of the host's body?
    lumen of the cecum and colon of man and other animals
  5. Compared to a mature entamoeba histolytica with 4 nucleus, entamoeba coli matures with _____ nucleus.




    D. 8. It is considered larger than the entamoeaba histolityca.
  6. What happens during the metacystic stage of the e. coli?
    The 8-nucleated cyst excysts (cysts matures as a trophozoites) in the lumen of the large intestine and immediately divides into 8 small trophozoites.
  7. True or false. Despite its classification as a non-pathogenic, Entamoeba coli can cause occasional diarrhea.
    True.
  8. E.coli moves by means of ______,in a sluggish non-directional motion, mostly to ingest food.




    A. Pseudopodia
  9. Compare e. histolytica and e. coli.
    • 1. Size: Entamoeba histolityca is much smaller due that it has 4 mature cysts compared to entamoeba coli.
    • 2.Motility: e.histolytica moves progressively while entamoeba coli moves in a more sluggish nondirectional way.
    • 3.Shape: E. histolytica  tend to be oval in shape while e.coli varies in shape.
    • 4.Nucleus: E. histolytica matures with 4 nucleus, while e.coli matures with 8.

    Refer to slide number 68.
  10. What is the geographical distribution of the protozoa, amoeaba, e.coli?
    It is mostly found in cosmopolitan area — full of people from many different countries and cultures— and worldwide.
  11. True or false. Man is the most common if not the exclusive sourceof human infection.
    True.
  12. How can we diagnose e.coli?
    Same as e. histolytica, direct fecal smear for diarrheic stools containing trophozoites.
  13. True or false. E.coli parasite is resistant to the usual anti-amoebic drugs.
    True
Author
wyn
ID
361481
Card Set
10.Entamoeba Coli
Description
Updated

  1. Home
  2. Flashcards
  3. Preview