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Amoebas

Parasitology Study Stack

QuestionAnswer
Name the 5 amoeba genres Entamoeba histolytica/dispar, Entamoeba hartmanni, Entamoeba coli, Endolimax nana, and Iodamoeba butschlii
What are the characteristics that differentiate E coli and E histolytica? Size, RBC ingestion or lack thereof, PC and KC, cytoplasm, nuclear placement, number of nuclei, bacterial ingestion
Describe the gold standard for diagnosis of Acanthamoeba polyphagia Non-nutrient agar that is seeded with E. coli bacteria. A. polyphagia digests the bacteria and leaves tracks on the bacterial lawn.
Cigar-shaped chromatoid bodies appear in which of the amoeba genres? Entamoeba histolytica and Entamoeba hartmanni
Why is it important to note the presence of non-pathogenic amoeba? They may indicate exposure to fecal contamination, as well as indicate an increased chance of having a pathogenic species present
Created by: britney.atwell