Parasitology: Toxoplasma & Giardia Characteristics

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What is the shape of the trophozoite of Giardia lamblia?

Oval shape

Pear shape (correct)

Crescent shape

Rounded shape

What is the size of the oocyst of Toxoplasma gondii?

10-40 μm

10-12 μm (correct)

12-15 μm

4-8 μm

What is the characteristic feature of the cyst of Balantidium coli?

Crescent shape

Rounded shape

Distinct cell wall (correct)

Undulating membrane

What is the shape of the trophozoite of Trichomonas vaginalis?

Pear shape Signup and view all the answers

Which of the following is a characteristic of the suborder Anoplura?

Incomplete metamerphosis Signup and view all the answers

What is the characteristic feature of the Sheep Ked (Melophagus ovinus)?

It has three main body parts Signup and view all the answers

What is the characteristic of the kinetoplast in Trypanosoma brucei and Trypanosoma evansi?

Small and subterminal Signup and view all the answers

Which of the following is a characteristic of Leishmania spp. amastigotes?

They have no flagellum Signup and view all the answers

What is the size range of Trypanosoma cruzi?

16-20 μm Signup and view all the answers

What is the characteristic of the oocyst of Cryptosporidium parvum?

It has 4 sporozoites with no sporocysts Signup and view all the answers

What is the characteristic of the promastigote form of Leishmania spp.?

It has a free flagellum but no undulating membrane Signup and view all the answers

What is the characteristic of the oocyst of Isospora belli?

It has 2 sporocysts with 4 sporozoites each Signup and view all the answers

What is the characteristic feature of Moniezia expansa species?

Triangular or pyramidal eggs Signup and view all the answers

What is the purpose of the faecal sedimentation technique?

To detect trematode eggs Signup and view all the answers

What is the role of formalin in the faecal sedimentation procedure?

To preserve the eggs Signup and view all the answers

What is the final step in the faecal sedimentation procedure?

Examination of the sediment under a microscope Signup and view all the answers

What is the function of ether in the faecal sedimentation procedure?

To separate the eggs from the debris Signup and view all the answers

What is the characteristic feature of Moniezia benedeni species?

Cuboidal eggs Signup and view all the answers