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GUESS THE AMOEBA

Total questions: 21

Worksheet time: 11mins

Name
Class
Date
1.

This is a mature cyst with 4 nuclei and cigar shaped chromatoid body. It is found on stool specimen smear of a patient suffers from amoebiasis. What is the possible amoeba?

a)

Naeglaria Fowleri

b)

Acanthamoeba

c)

Entamoeba Dispar

d)

Entamoeba Histolytica

2.

This is a cyst of amoeba. It has 2 nucleus and a cigar shaped chromatoid body. It is found on stool specimen of a patient suffers from amoebiasis. What is the possible amoeba cyst?

a)

Mature cyst of Entamoeba Histolytica

b)

Immature cyst of Entamoeba Histolytica

c)

Mature cyst of Entamoeba Dispar

d)

Immature cyst of Entamoeba Dispar

3.

This is a microorganism found on stool specimen smear. It has one nuclei. The cytoplasm has many dark inclusions and also finely granular. What is the possible microorganism?

a)

Mature cyst of Entamoeba Histolytica

b)

Trophozoite of Entamoeba Histolytica

c)

Trophozoite of Entamoeba Coli

d)

Mature cyst of Entamoeba Coli

4.

Which of these is trophozoite of Entamoeba Histolytica with RBC ingestion?

a)
b)
c)
d)
5.

Which of these is a mature cyst of Entamoeba Histolytica?

a)
b)
c)
d)
6.

Which of these is morphologically similar to Entamoeba Histolytica?

a)

Endolimax Nana

b)

Entamoeba Dispar

c)

Entamoeba Coli

d)

Iodamoeba Butschlii

7.

This is an amoeba found in a stool specimen smear. It has 6 nuclei and noticeably big. What is the possible amoeba?

a)

Acanthamoeba spp.

b)

Entamoeba Hartmanni

c)

Entamoeba Coli

d)

Entamoeba Histolytica

8.

Which of these is possibly cyst of Entamoeba Coli?

a)
b)
c)
d)
9.

Which of these is the infective stage of Entamoeba Histolytica infection?

a)
b)
c)
d)
10.

This is an amoeba found on a stool specimen smear. It has 4 nuclei and small compact central karyosome. The patient does not suffer from any sort of disease. What is the possible amoeba?

a)

Entamoeba Histolytica

b)

Entamoeba Hartmanni

c)

Entamoeba Coli

d)

Endolimax Nana

11.

There are two microorganism found on a faecal smear.

Microorganism A has 4 nuclei and small compact central karyosome.

Microorganism B has a large vacuole and one nucleus.

The patient does not suffer from any disease but noticeably has a poor hygienic practice.

What are the possible microorganisms for A and B?

a)

A : Entamoeba Histolytica

B : Naeglaria Fowleri

b)

A : Entamoeba Dispar

B : Acanthamoeba

c)

A : Entamoeba Hartmanni

B : Iodamoeba Butschlii

d)

A : Iodamoeba Butschlii

B : Endolimax Nana

12.

This is an amoeba found on a faecal smear of a patient suffers from amoebiasis. The microorganism shows one nucleus and a few dark inclusions, which suspected to be RBC.

What is the possible stage of amoeba?

a)

Cyst

b)

Epimastigote

c)

Trophozoite

d)

Flagellated amoeba

13.

This is an amoeba found on a stool specimen smear of a patient with poor hygienic practice. It has one nucleus and large vacuole. What is the possible amoeba?

a)

Endolimax Nana

b)

Iodamoeba Butschlii

c)

Acanthamoeba spp.

d)

Naeglaria Fowleri

14.

This is an amoeba found on stool specimen smear. The nucleus is very hard to see. It has no chromatoid body. It is very small. What is the possible amoeba?

a)

Endolimax Nana

b)

Naeglaria Fowleri

c)

Entamoeba Dispar

d)

Entamoeba Coli

15.

This is an amoeba found on stool specimen smear. It is a trophozoite because has one nucleus and quite big. However, there are two amoebas that have similar trophozoite to the image. What are they?

a)

Endolimax Nana & Naeglaria Fowleri

b)

Iodamoeba Butschlii & Entamoeba Hartmanni

c)

Acanthamoeba & Entamoeba Histolytica

d)

Iodamoeba Butschlii & Endolimax Nana

16.

This is an amoeba found on CSF specimen smear. What is the possible amoeba?

a)

Acanthamoeba spp.

b)

Entamoeba Histolytica

c)

Naeglaria Fowleri

d)

Entamoeba Coli

17.

Naeglaria Fowleri is a pathogenic amoeba. We can find this amoeba on .... specimen.

a)

CSF

b)

Stool

c)

Small intestine biopsy

d)

Cornea scraping

18.

What is the infective stage of Naeglaria Fowleri's infection?

a)

Trophozoite

b)

Cyst

c)

Epimastigote

d)

Promastigote

19.

This amoeba causes Primary Amebic Meningoencephalitis (PAM). It enters the brain after ,,, ?

a)

Penetrating nasal mucosa

b)

Penetrating intestinal tissue

c)

Penetrating cornea

d)

Penetrating lower respiratory tract

20.

This is an amoeba found in corneal scraping specimen smear of a patient that suffers from keratitis. It is slender and spine-like. What is the possible amoeba?

a)

Cyst of Naeglaria Fowleri

b)

Trophozoite of Naeglaria Fowleri

c)

Cyst of Acanthamoeba spp.

d)

Trophozoite of Acanthamoeba spp.

21.

This is a cyst stage of amoeba found on brain tissue specimen smear. What is the possible amoeba?

a)

Naeglaria Fowleri

b)

Acanthamoeba spp.

c)

Entamoeba Histolytica

d)

Iodamoeba Butschlii