Apicomplexa Parasites and Life Cycles
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Questions and Answers

Which organelles of locomotion are absent in sporozoan parasites?

  • Flagella (correct)
  • Cilia
  • Pseudopodia
  • None of the above

In which host do the sexual forms of sporozoan parasites usually reside?

  • Reservoir host
  • Definitive host (correct)
  • Vector host
  • Intermediate host

Which genus is the causative agent of malaria disease in humans?

  • Plasmodium malariae
  • Plasmodium ovale
  • Plasmodium vivax
  • Plasmodium falciparum (correct)

Which stage survives inside the anopheline mosquito vector after ingestion of the blood?

<p>Male and female gametocytes (B)</p> Signup and view all the answers

Which species of Plasmodium causes malignant tertian malaria?

<p>Plasmodium falciparum (D)</p> Signup and view all the answers

What is a characteristic feature of the sporozoan parasites in the phylum Apicomplexa?

<p>Production of spores at some point in their life cycle (D)</p> Signup and view all the answers

Where do the asexual forms of sporozoan parasites usually reside in their life cycle?

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

Which species of Plasmodium causes benign tertian malaria?

<p>P. vivax (C)</p> Signup and view all the answers

What is the global distribution of malaria primarily attributed to?

<p>Dominant malaria vectors (A)</p> Signup and view all the answers

What is the only stage from the ingested blood that survives inside the anopheline mosquito vector?

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

Which characteristic describes the reproductive system of nematodes?

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

What is the primary habitat of nematodes?

<p>Polar ice (D)</p> Signup and view all the answers

Which nematode species is known for infecting a large population in the US, particularly in the southeast?

<p>Round worm (Ascaris lumbricoides) (B)</p> Signup and view all the answers

What is the mode of transmission for Enterobius vermicularis (Pin worm) infections?

<p>Airborne route (A)</p> Signup and view all the answers

What is the average number of eggs laid per day by female Ascaris lumbricoides (Round worm)?

<p>200,000-300,000 eggs (D)</p> Signup and view all the answers

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