African Trypanosomiasis Geographic Distribution and Clinical Presentation
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Questions and Answers

What is the term commonly used to refer to nodular lesions or furuncles developing around the vector's feeding site in Chagas disease?

  • Palpebral swelling
  • Amastigotes
  • Chagomas (correct)
  • Megaesophagus
  • Which form of Chagas disease can occur years or even decades after the initial infection and presents with cardiac or gastrointestinal involvement?

  • Determinate form (correct)
  • Acute form
  • Subclinical form
  • Indeterminate form
  • What can reactivation of Chagas disease from the asymptomatic form be associated with in patients?

  • Diabetes
  • HIV infection (correct)
  • Pneumonia
  • Hypertension
  • Which of the following is a common feature of first-stage African sleeping sickness caused by T.b.gambiense?

    <p>Development of a trypanosomal chancre at the site of inoculation</p> Signup and view all the answers

    What distinguishes the clinical presentation of second-stage African sleeping sickness?

    <p>Presence of neuropsychiatric manifestations</p> Signup and view all the answers

    Which subspecies of African sleeping sickness commonly presents with lymphadenopathy in the posterior triangle cervical lymph nodes?

    <p>T.b.gambiense</p> Signup and view all the answers

    What is a hallmark symptom of African sleeping sickness that led to its common name?

    <p>Variety of neuropsychiatric manifestations including sleep disorders</p> Signup and view all the answers

    Which subspecies of Trypanosoma brucei causes chronic African trypanosomiasis?

    <p>T.b.gambiense</p> Signup and view all the answers

    What is the causal agent of acute African trypanosomiasis known as 'East African sleeping sickness'?

    <p>T.b.rhodesiense</p> Signup and view all the answers

    Which subspecies of Trypanosoma primarily infects cattle and occasionally other animals?

    <p>T.b.brucei</p> Signup and view all the answers

    Which subspecies of Trypanosoma brucei is considered the main reservoir in humans?

    <p>T.b.gambiense</p> Signup and view all the answers

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