Parasitology: Toxoplasma & Giardia Characteristics
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Questions and Answers

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?

<p>Pear shape (D)</p> Signup and view all the answers

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

<p>Incomplete metamerphosis (C)</p> Signup and view all the answers

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

<p>It has three main body parts (B)</p> Signup and view all the answers

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

<p>Small and subterminal (A)</p> Signup and view all the answers

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

<p>They have no flagellum (A)</p> Signup and view all the answers

What is the size range of Trypanosoma cruzi?

<p>16-20 μm (B)</p> Signup and view all the answers

What is the characteristic of the oocyst of Cryptosporidium parvum?

<p>It has 4 sporozoites with no sporocysts (B)</p> Signup and view all the answers

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

<p>It has a free flagellum but no undulating membrane (D)</p> Signup and view all the answers

What is the characteristic of the oocyst of Isospora belli?

<p>It has 2 sporocysts with 4 sporozoites each (C)</p> Signup and view all the answers

What is the characteristic feature of Moniezia expansa species?

<p>Triangular or pyramidal eggs (C)</p> Signup and view all the answers

What is the purpose of the faecal sedimentation technique?

<p>To detect trematode eggs (B)</p> Signup and view all the answers

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

<p>To preserve the eggs (D)</p> Signup and view all the answers

What is the final step in the faecal sedimentation procedure?

<p>Examination of the sediment under a microscope (A)</p> Signup and view all the answers

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

<p>To separate the eggs from the debris (C)</p> Signup and view all the answers

What is the characteristic feature of Moniezia benedeni species?

<p>Cuboidal eggs (D)</p> Signup and view all the answers

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