Trypanosoma Life Cycle and Disease

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Questions and Answers

What is the final host in the life cycle discussed?

  • Man (correct)
  • Tsetse Fly
  • Domestic animals
  • Mosquito

Which stage is the diagnostic stage?

  • Promastigote
  • Metacyclic form
  • Trymastigote (correct)
  • Amastigote

What is the intermediate host in this life cycle?

  • Mosquito
  • Man
  • Domestic animals
  • Tsetse Fly (correct)

What is the infective stage known as?

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

Which disease is caused by Trypanosoma gambiense?

<p>West African sleeping sickness (A)</p> Signup and view all the answers

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Study Notes

Life Cycle of Trypanosoma

  • The parasite undergoes a direct life cycle
  • Humans are the final host of the parasite
  • Domestic animals act as the reservoir host
  • The intermediate host is the tsetse fly (Glossina)

Infective Stage and Diagnosis

  • The metacyclic form is the infective stage of the parasite
  • The trypanastigote form is used for diagnostic purposes

Disease Name and Types

  • There are two types of diseases caused by Trypanosoma:
    • Trypanosoma gambiense, causing West African sleeping sickness
    • Trypanosoma rhodesiense, causing East African sleeping sickness

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