Clinical Parasitology: Hemo Flagellates

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Questions and Answers

What is the characteristic of Hemo-flagellates in terms of their hosts?

  • They are not transmitted by insect vectors.
  • They are specific to human hosts only.
  • They can survive in multiple hosts. (correct)
  • They can only survive in one host.

In which stage of the life cycle is Leishmania found in the gut of the vector?

  • Trypomastigote
  • Amastigote
  • Promastigote (correct)
  • Epimastigote

What is the main difference between the different complexes of Leishmania?

  • Their host range
  • Their mode of transmission
  • Their morphology
  • Their geographic distribution (correct)

What is the characteristic of Trypanosoma in terms of its morphological forms?

<p>It has three morphological forms. (B)</p> Signup and view all the answers

What is the term for the flagellum of Hemo-flagellates?

<p>Fragelate (A)</p> Signup and view all the answers

Where are Leishmania parasites typically found in humans?

<p>In macrophages and other RES cells (B)</p> Signup and view all the answers

What is another name for the disease caused by Leishmania donovani in the Peruvian Andes?

<p>Uta (A)</p> Signup and view all the answers

What is the primary reservoir for Leishmania donovani?

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

What is the name of the parasite that causes visceral leishmaniasis?

<p>Leishmania donovani (B)</p> Signup and view all the answers

What is the vector responsible for transmitting Leishmania donovani?

<p>Phlebotomus sandfly (B)</p> Signup and view all the answers

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

<p>Kala-azar (D)</p> Signup and view all the answers

What is the age group most susceptible to infection by Leishmania donovani?

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

What is the estimated number of people infected with Leishmaniasis according to the World Health Organization?

<p>12 million (B)</p> Signup and view all the answers

What is the primary characteristic of Old World Cutaneous Leishmaniasis?

<p>Chronic disease with dry, raised, ulcerated lesions (A)</p> Signup and view all the answers

Which type of leishmaniasis may invade mucous membrane of the mouth and nasopharynx?

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

What is the primary location of the infection in Cutaneous Leishmaniasis?

<p>Capillaries and skin (C)</p> Signup and view all the answers

What is the name of the vector responsible for transmitting Leishmaniasis in the New World?

<p>Lutzomyia sandfly (C)</p> Signup and view all the answers

What is the typical duration of the incubation period for Old World Cutaneous Leishmaniasis?

<p>2 weeks to 3 years (B)</p> Signup and view all the answers

What is the stage of Leishmaniasis development found in the human host?

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

Which of the following is a vector for Leishmania mexicana complex?

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

What is the name of the type of Leishmaniasis that causes enlargement of the internal organs, especially the liver and spleen?

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

What is the primary animal host for Leishmania mexicana complex?

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

What is the estimated number of people at risk of being infected with Leishmaniasis?

<p>350 million (D)</p> Signup and view all the answers

What is the outcome of Mucocutaneous Leishmaniasis if left untreated?

<p>Destruction of palate and oral &amp; nasal cavity (C)</p> Signup and view all the answers

What is the drug of choice for the treatment of Leishmania mexicana complex?

<p>Pentavalent sodium antimony (Pentastam) (C)</p> Signup and view all the answers

What is the mode of transmission of Trypanosoma brucei?

<p>Through the bite of an infected tsetse fly (D)</p> Signup and view all the answers

What is the characteristic of Trypanosoma brucei rhodesiense?

<p>It causes glomerulonephritis and myocarditis (B)</p> Signup and view all the answers

What is the treatment for the late stages of Trypanosoma brucei?

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

What is the prevention and control measure for Trypanosoma brucei?

<p>All of the above (D)</p> Signup and view all the answers

What is the name of the disease caused by Trypanosoma cruzi?

<p>Chagas' disease (D)</p> Signup and view all the answers

What is the characteristic of Chagas' disease?

<p>It is a zoonotic infection (C)</p> Signup and view all the answers

What is the age group most affected by Chagas' disease?

<p>Young children (less than 5 years old) (A)</p> Signup and view all the answers

What is the diagnosis method for Chagas' disease?

<p>All of the above (D)</p> Signup and view all the answers

What is the treatment for Chagas' disease?

<p>All of the above (D)</p> Signup and view all the answers

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