Understanding Chagas Disease and Malaria Symptoms
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Questions and Answers

Which of the following is a key difference between West African Sleeping Sickness and East African Sleeping Sickness?

  • West African Sleeping Sickness primarily affects the lymph nodes, while East African Sleeping Sickness primarily affects the central nervous system.
  • West African Sleeping Sickness is caused by Trypanosoma brucei gambiense, while East African Sleeping Sickness is caused by Trypanosoma brucei rhodesiense. (correct)
  • West African Sleeping Sickness has more severe symptoms and a faster progression, while East African Sleeping Sickness has slowly progressing symptoms.
  • West African Sleeping Sickness is transmitted by the reduviid bug, while East African Sleeping Sickness is transmitted by the tsetse fly.
  • Which phase of Chagas disease is characterized by fever, malaise, swollen lymph nodes, and acute myocarditis?

  • Latent phase
  • Chronic phase
  • Acute phase (correct)
  • Intermediate phase
  • In the life cycle of Trypanosoma cruzi, the ___ form tunnels into the human host and transforms into the ___ form, which invades various cells and tissues.

  • Trypomastigote, amastigote (correct)
  • Trypomastigote, epimastigote
  • Amastigote, trypomastigote
  • Epimastigote, trypomastigote
  • Which of the following is a characteristic symptom of the central nervous system involvement in African Sleeping Sickness?

    <p>Daytime drowsiness</p> Signup and view all the answers

    Which of the following is a feature of the variable surface glycoproteins (VSG) in Trypanosoma brucei?

    <p>They are responsible for the intermittent fevers observed in Sleeping Sickness.</p> Signup and view all the answers

    Which of the following is a common symptom observed in both the acute and chronic phases of Chagas disease?

    <p>Swollen lymph nodes</p> Signup and view all the answers

    What is the primary mode of reproduction in protozoa?

    <p>Asexual binary fission</p> Signup and view all the answers

    Which of the following protozoan parasites is primarily transmitted by the bite of a sandfly vector?

    <p>Leishmania species</p> Signup and view all the answers

    Which of the following protozoan parasites is the causative agent of Chagas disease?

    <p>Trypanosoma cruzi</p> Signup and view all the answers

    What is the name of the infective stage of Plasmodium species that is transmitted by the Anopheles mosquito vector?

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

    Which of the following protozoan parasites can cause severe opportunistic infections in immunocompromised individuals?

    <p>Toxoplasma gondii</p> Signup and view all the answers

    Which of the following protozoan parasites is responsible for the characteristic cyclic symptoms of malaria?

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

    What is the name of the intracellular stage of Leishmania species that invades phagocytic cells in the human host?

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

    Which of the following protozoan parasites can cause severe neurological complications in immunocompromised individuals?

    <p>Toxoplasma gondii</p> Signup and view all the answers

    What is the name of the infective stage of Trypanosoma brucei that is transmitted by the tsetse fly vector?

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

    Which of the following protozoan parasites can cause severe diarrheal illness in immunocompromised individuals?

    <p>Microsporidium species</p> Signup and view all the answers

    Which disease is transmitted by the Anopheles mosquito?

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

    What is the causative agent of Chagas disease?

    <p>Trypanosoma cruzi</p> Signup and view all the answers

    Which phase of the Toxoplasma gondii life cycle involves intestinal infection in cats?

    <p>Intestinal phase</p> Signup and view all the answers

    Which disease is characterized by periodic episodes of high fever and shaking chills, followed by profuse sweating?

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

    Which organism causes sleeping sickness?

    <p>Trypanosoma brucei</p> Signup and view all the answers

    In which phase of Chagas disease are organs like the heart, colon, and esophagus primarily affected?

    <p>Chronic phase</p> Signup and view all the answers

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