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 (D)</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. (B)</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 (B)</p> Signup and view all the answers

What is the primary mode of reproduction in protozoa?

<p>Asexual binary fission (A)</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 (D)</p> Signup and view all the answers

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

<p>Trypanosoma cruzi (B)</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 (A)</p> Signup and view all the answers

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

<p>Toxoplasma gondii (A)</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 (A)</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 (B)</p> Signup and view all the answers

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

<p>Toxoplasma gondii (C)</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 (D)</p> Signup and view all the answers

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

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

Which disease is transmitted by the Anopheles mosquito?

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

What is the causative agent of Chagas disease?

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

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

<p>Intestinal phase (B)</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 (A)</p> Signup and view all the answers

Which organism causes sleeping sickness?

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

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