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</p> Signup and view all the answers

    Which species of Plasmodium causes malignant tertian malaria?

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

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

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

    Which species of Plasmodium causes benign tertian malaria?

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

    What is the global distribution of malaria primarily attributed to?

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

    Which characteristic describes the reproductive system of nematodes?

    <p>Dioecious</p> Signup and view all the answers

    What is the primary habitat of nematodes?

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

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

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

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