Protozoa: Kinetoplasta, Leishmania, and Tissue Flagellates
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Questions and Answers

What system does Leishmania donovani primarily infect?

  • Reticuloendothelial system (correct)
  • Muscular system
  • Circulatory system
  • Nervous system

Which type of cells are responsible for removing immune complexes from the circulation in healthy individuals?

  • Phagocytic cells (correct)
  • Macrophages
  • Lymphocytes
  • Eosinophils

What is the primary reservoir of Leishmania donovani?

  • Other insects
  • Most mammals (correct)
  • Humans
  • Phlebotomus sand flies

What is the primary mechanism of transmission of Leishmania donovani?

<p>Infected female sand fly bites (D)</p> Signup and view all the answers

What is the characteristic of Leishmania donovani that differentiates it from L. tropica?

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

What is the fate of amastigotes engulfed by neutrophils and eosinophils?

<p>They are killed (B)</p> Signup and view all the answers

What is the role of macrophages in the life cycle of Leishmania donovani?

<p>They engulf and do not kill the amastigotes (A)</p> Signup and view all the answers

What is the reason why Leishmania donovani can infect macrophages?

<p>They possess a variety of cell surface molecules (D)</p> Signup and view all the answers

What is the name of the disease caused by Leishmania donovani?

<p>Visceral Leishmaniasis (D)</p> Signup and view all the answers

What is the outcome of the disease in untreated cases?

<p>The disease is fatal if left untreated (B)</p> Signup and view all the answers

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