Intestinal Protozoa Significant to Human Health Quiz

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What is the infective stage of Entamoeba histolytica?

Intermediate host

Trophozoite

Reservoir host

Mature cyst (correct)

How is Entamoeba histolytica usually transmitted?

Feco-orally (correct)

Airborne

Sexual contact

Through blood transfusion

What is the characteristic feature of amebic dysentery?

Absence of trophozoites in stool

Presence of PMN leukocytosis

Anchovy-paste or Chocolate pus (correct)

High fever

Which type of microscopy is commonly used to diagnose Entamoeba histolytica infections?

Light microscopy Signup and view all the answers

What distinguishes E.histolytica infection from bacillary dysentery?

Lack of fever and leukocytosis Signup and view all the answers

Which drug is commonly used for the treatment of Entamoeba histolytica infections?

Metronidazole Signup and view all the answers

Where are trophozoites typically found in cases of amoebic abscess?

"Chocolate" pus Signup and view all the answers

What is the diagnostic stage found in chronic Entamoeba histolytica infections?

Mature cysts in stool Signup and view all the answers

Which protozoan parasite is primarily a zoonotic parasite found in pigs, cows, and horses?

Balantidium coli Signup and view all the answers

What is the infective stage of Balantidium coli?

Cyst Signup and view all the answers

How is Entamoeba histolytica usually transmitted to humans?

Feco-orally through contaminated food or hands Signup and view all the answers

What is the characteristic appearance of Entamoeba histolytica trophozoites?

Amoeboid appearance due to presence of pseudopodia Signup and view all the answers

In which part of the body does an amebic abscess usually occur?

Liver Signup and view all the answers

Which protozoan parasite causes amebiasis leading to dysentery and liver abscess?

Entamoeba histolytica Signup and view all the answers

What distinguishes amebic abscess from other types of abscesses?

Anchovy-paste or Chocolate pus Signup and view all the answers

Which drug is commonly used in the treatment of Balantidium coli infection?

Metronidazole Signup and view all the answers

What distinguishes Balantidium coli from other intestinal protozoa mentioned?

Presence of cilia on the cell surface Signup and view all the answers

Which stage of Entamoeba histolytica infection is usually found in cases of chronic infection?