General Characteristics of Protozoa Quiz

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Questions and Answers

What is the method of transmission for giardiasis?

  • Fecal-oral transmission (correct)
  • Vector-borne transmission
  • Bloodborne transmission
  • Airborne transmission

What is the resistant form responsible for the transmission of giardiasis?

  • Pear-shaped with 2 nuclei
  • Large sucking disk on the anterior ventral site
  • Trophozoite
  • Cyst with 4 nuclei and no flagella (correct)

Why are parasitic diseases difficult to treat?

  • They occur only in resource-rich countries
  • They have a simple life cycle
  • They are eukaryotic organisms and have a complex life cycle (correct)
  • They are caused by bacteria

What is the therapy of choice for the treatment of giardiasis?

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

What is the primary mode of transmission for Trichomonas vaginalis?

<p>Sexual intercourse (B)</p> Signup and view all the answers

Which type of parasite completes its biological development in a single host species?

<p>Monoxenous parasite (D)</p> Signup and view all the answers

What is the characteristic of extracellular protozoa?

<p>They live outside host cells (C)</p> Signup and view all the answers

Which phase of growth, reproduction, and transmission involves the parasite completing its biological development in a single host species?

<p>Direct life cycle (A)</p> Signup and view all the answers

What is the characteristic of intracellular protozoa?

<p>They live in host cells (B)</p> Signup and view all the answers

What is the characteristic of indirect life cycle of parasites?

<p>The parasite develops necessarily in 2 or more hosts belonging to different species (B)</p> Signup and view all the answers

What is the characteristic of direct life cycle of parasites?

<p>The parasite completes its biological development in a single host species (B)</p> Signup and view all the answers

Which of the following is a characteristic of intracellular protozoa?

<p>They live in host cells, at least in some stages (C)</p> Signup and view all the answers

Which type of parasite necessarily develops in 2 or more hosts belonging to different species?

<p>Heteroxenous parasite (C)</p> Signup and view all the answers

What is the primary mode of transmission for Trypanosomes and Giardia?

<p>Vector-borne transmission (A)</p> Signup and view all the answers

Which phase of growth, reproduction, and transmission involves the parasite completing its biological development in a single host species?

<p>Monoxenous phase (A)</p> Signup and view all the answers

What is the primary mode of transmission for Giardia duodenalis?

<p>Fecal-oral transmission (A)</p> Signup and view all the answers

What is the characteristic feature of the resistant form responsible for the transmission of giardiasis?

<p>Egg-shaped with 4 nuclei and flagella (A)</p> Signup and view all the answers

Why are parasitic diseases difficult to treat?

<p>They occur in resource-rich countries with advanced healthcare systems (C)</p> Signup and view all the answers

What is the characteristic of the indirect life cycle of parasites?

<p>Completion of biological development in multiple host species (C)</p> Signup and view all the answers

What is the characteristic feature of Trichomonas vaginalis?

<p>Trophozoite with 1 nucleus and 4 flagella (A)</p> Signup and view all the answers

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