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Commensal Entamoeba in Stools

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Questions and Answers

Why is it important to differentiate commensal amoeba from pathogenic E.histolytica?

To avoid unnecessary treatment of patients (correct)

To improve the taste of contaminated food and water

To prevent the spread of disease

To enhance the survival of the amoeba

What is a distinguishing nuclear feature of the cysts of genus Entamoeba?

Multiple nuclei

A small karyosome located near the nucleus periphery (correct)

Absence of chromatin granules

Lack of nuclear membrane

Which amoebae genus has a vesicular nucleus with an irregularly shaped karyosome?

Endolimax (correct)

Moshkovskii

Entamoeba

Iodamoeba

How do commensal amoebae reproduce?

By binary fission of trophozoites Signup and view all the answers

Where does encystation occur in amebae according to the text?

In the lower colon Signup and view all the answers

How does E.dispar differ from E.histolytica?

Their DNA and ribosomal RNA are different Signup and view all the answers

Which human amoeba is known for being osmotolerant and able to grow at room temperature?

Entamoeba hartmanni Signup and view all the answers

How does the size of Entamoeba hartmanni compare to that of Entamoeba histolytica?

Entamoeba hartmanni is smaller Signup and view all the answers

What differentiates Entamoeba coli from Entamoeba histolytica in terms of motility?

E.coli has unidirectional motility Signup and view all the answers

How can E.coli be differentiated from E.histolytica based on the endoplasm characteristics?

Granular endoplasm with bacteria but no red blood cells Signup and view all the answers

In what way does the cyst of Entamoeba polecki differ from that of Entamoeba histolytica?

Larger size and fewer nuclei Signup and view all the answers

Where can Entamoeba gingivalis be primarily found in the human body?

Mouth Signup and view all the answers