Quiz on Entamoeba histolytica Morphology and Characteristics
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Questions and Answers

Which of the following is NOT a characteristic of Entamoeba histolytica trophozoites?

  • Size range of 10-60 um
  • Multiple pseudopodia (correct)
  • Small, compact karyosome
  • Progressive and rapid motility

What is the appearance of Entamoeba histolytica cytoplasm?

  • Granular
  • Presence of large vacuoles
  • Ground-glass appearance (correct)
  • Clear differentiation into ectoplasm and endoplasm

Which of the following is a characteristic of Entamoeba histolytica nuclei?

  • Presence of a linin network
  • Uniform distribution of peripheral chromatin (correct)
  • Large and irregular karyosome
  • Multiple nuclei

What is the diagnostic inclusion in Entamoeba histolytica trophozoites?

<p>Multiple RBCs (C)</p> Signup and view all the answers

Which of the following statements about Entamoeba histolytica is true?

<p>It can survive for several weeks in a moist environment (B)</p> Signup and view all the answers

Flashcards

Entamoeba histolytica trophozoites

Protozoan parasites that can cause amoebic dysentery.

Appearance of Entamoeba cytoplasm

Ground-glass appearance under a microscope.

Nuclei characteristic

Uniform distribution of peripheral chromatin.

Diagnostic inclusion

Presence of multiple RBCs within trophozoites.

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Survival in moist environments

Entamoeba histolytica can survive for weeks in moisture.

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Study Notes

Entamoeba histolytica Trophozoites

  • Not a characteristic: Presence of mitochondria

Entamoeba histolytica Cytosol

  • Appearance: Granular and contains vacuoles

Entamoeba histolytica Nuclei

  • Characteristic: Central nucleolus and peripheral chromatin

Diagnostic Inclusion

  • Chromatid bodies (glycogen vacuoles) in Entamoeba histolytica trophozoites

General Characteristics

  • True statement: Entamoeba histolytica is an invasive amoeba that causes amoebic dysentery

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Description

Test your knowledge on the morphology, trophozoite size, motility, and pseudopodia of Entamoeba histolytica in this quiz on Clinical Parasitology Lab Module 2 Unit

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