18 Questions
What is the shape of the trophozoite of Giardia lamblia?
Pear shape
What is the size of the oocyst of Toxoplasma gondii?
10-12 μm
What is the characteristic feature of the cyst of Balantidium coli?
Distinct cell wall
What is the shape of the trophozoite of Trichomonas vaginalis?
Pear shape
Which of the following is a characteristic of the suborder Anoplura?
Incomplete metamerphosis
What is the characteristic feature of the Sheep Ked (Melophagus ovinus)?
It has three main body parts
What is the characteristic of the kinetoplast in Trypanosoma brucei and Trypanosoma evansi?
Small and subterminal
Which of the following is a characteristic of Leishmania spp. amastigotes?
They have no flagellum
What is the size range of Trypanosoma cruzi?
16-20 μm
What is the characteristic of the oocyst of Cryptosporidium parvum?
It has 4 sporozoites with no sporocysts
What is the characteristic of the promastigote form of Leishmania spp.?
It has a free flagellum but no undulating membrane
What is the characteristic of the oocyst of Isospora belli?
It has 2 sporocysts with 4 sporozoites each
What is the characteristic feature of Moniezia expansa species?
Triangular or pyramidal eggs
What is the purpose of the faecal sedimentation technique?
To detect trematode eggs
What is the role of formalin in the faecal sedimentation procedure?
To preserve the eggs
What is the final step in the faecal sedimentation procedure?
Examination of the sediment under a microscope
What is the function of ether in the faecal sedimentation procedure?
To separate the eggs from the debris
What is the characteristic feature of Moniezia benedeni species?
Cuboidal eggs
Test your knowledge of the characteristics of Toxoplasma gondii and Giardia lamblia, including their oocyst and sporocyst forms, as well as the morphology of their trophozoites and bradizoites. Identify the key features of these parasitic organisms and where they are commonly found in the body.
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