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</p> Signup and view all the answers

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

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

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

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

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

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

    What is the size range of Trypanosoma cruzi?

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

    What is the characteristic feature of Moniezia expansa species?

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

    What is the purpose of the faecal sedimentation technique?

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

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

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

    What is the characteristic feature of Moniezia benedeni species?

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

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