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18 Questions

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Entamoeba coli Infections

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Questions and Answers

What is the size range of Entamoeba polecki trophozoites?

10 to 20μm

5 to 15μm

15 to 30μm

8 to 25μm (correct)

Which characteristic is NOT true about E.coli infections?

Treatment is indicated (correct)

Usually asymptomatic

Nonpathogenic

Diarrheal stools contain trophozoites with sluggish motility

What is the primary method of diagnosis for recovering E.coli trophozoites and cysts?

Stool examination (correct)

Urine analysis

X-ray imaging

Blood test

How many stages are there in the life cycle of Entamoeba polecki?

2 Signup and view all the answers

Which characteristic is true about Entamoeba polecki cysts?

Spherical to oval in shape Signup and view all the answers

In what part of the body does excystation occur for Entamoeba coli?

Small intestine Signup and view all the answers

What is the typical size range of Entamoeba hartmanni trophozoites?

5 to 15 μm Signup and view all the answers

Which statement about Entamoeba hartmanni trophozoites is NOT true?

They exhibit progressive motility Signup and view all the answers

What is the average size range of Entamoeba hartmanni cysts?

7 to 9 μm Signup and view all the answers

How many nuclei can an Entamoeba hartmanni cyst have?

1 to 4 nuclei Signup and view all the answers

Where are Entamoeba hartmanni trophozoites typically found?

In diarrheal stool Signup and view all the answers

Which of the following is NOT part of the life cycle of Entamoeba hartmanni?

Invasion of the submucosa layer Signup and view all the answers

Which stage of Entamoeba hartmanni is passed in the feces?

Both trophozoites and cysts Signup and view all the answers

What is the typical size range of Entamoeba coli trophozoites?

Trophozoites can range from 12 to 55 μm Signup and view all the answers

How does Entamoeba coli colonize the human intestine?

By ingesting mature cysts in contaminated food, water, or fomites Signup and view all the answers

Which of the following statements about Entamoeba hartmanni is true?

It is typically asymptomatic and treatment is usually not indicated Signup and view all the answers

Which characteristic distinguishes Entamoeba coli cysts from Entamoeba histolytica cysts during microscopic examination?

The presence of nuclei in the cysts Signup and view all the answers

Which of the following best describes the motility of Entamoeba coli trophozoites?

Sluggish and nonprogressive Signup and view all the answers