Parasitology: Protozoa Classification and Life Cycle
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Questions and Answers

Which insect is the vector for African trypanosomiasis?

  • Phlebotomus sand fly
  • Mosquito
  • Reduviid bug
  • Tsetse fly (correct)

What form of Leishmania causes the most severe visceral form of the disease?

  • Leishmania brasiliensis
  • Leishmania major
  • Leishmania donovanii (correct)
  • Leishmania tropica

What is the vector for American trypanosomiasis (Chagas' disease)?

  • Tsetse fly
  • Phlebotomus sand fly
  • Mosquito
  • Reduviid bug (correct)

Which parasite is responsible for causing malaria?

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

What is the primary mode of transmission for toxoplasmosis?

<p>Ingestion of infected meat (D)</p> Signup and view all the answers

Which insect is the vector for the transmission of Babesiosis?

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

What is the mode of transmission for Giardia lamblia?

<p>Ingestion of contaminated water or food (B)</p> Signup and view all the answers

Where is the site of infection for Entamoeba histolytica?

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

What is the diagnosis for Trichomonas vaginalis infection?

<p>Wet mount of vaginal smear (D)</p> Signup and view all the answers

Which organism causes granulomatous encephalitis and is less aggressive in nature?

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

What is the mode of infection for Naegleria fowleri?

<p>Infection of nasal passages (C)</p> Signup and view all the answers

What is the mode of infection for Cryptosporidium parvum/hominis?

<p>Ingestion of oocyst (water, food, swimming pool) (B)</p> Signup and view all the answers

What is the motility type of Amoebae?

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

What is the mode of transmission for Giardia lamblia?

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

Where is the site of infection for Trichomonas vaginalis?

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

What is the diagnosis for Balantidium coli infection?

<p>Cysts in feces (D)</p> Signup and view all the answers

What is the mode of infection for Naegleria fowleri?

<p>Infection of nasal passages (B)</p> Signup and view all the answers

Which organism causes cyclosporiasis and is self-limiting in immunocompetent individuals?

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

Which insect is the vector for the transmission of African trypanosomiasis?

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

Which form of Leishmania causes the dermal/cutaneous form of the disease?

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

What is the vector for the transmission of American trypanosomiasis (Chagas' disease)?

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

Which organism causes toxoplasmosis?

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

Which vector is associated with the transmission of babesiosis and Lyme disease?

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

Which parasite causes malaria and has a life cycle involving sporozoites, merozoites, and gametocytes?

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

Which type of motility is exhibited by Trichomonas vaginalis?

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

What is the mode of transmission for Giardia lamblia?

<p>Contaminated water (food) (C)</p> Signup and view all the answers

Which parasite causes amoebic meningoencephalitis and is more aggressive in nature?

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

Where does the infection of Isosporiasis-Cyclosporiasis-Cryptosporidiosis primarily occur?

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

What is the mode of infection for Giardia duodenalis?

<p>Ingestion of cysts (outdoor water; spring) (D)</p> Signup and view all the answers

Which parasite is associated with the diagnosis of cysts in feces and may become extraintestinal, causing conditions such as liver abscess?

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

Which vector is associated with the transmission of Leishmania?

<p>Phlebotomus sand fly (A)</p> Signup and view all the answers

Which organism causes African trypanosomiasis (sleeping sickness)?

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

Which parasite causes Chagas' disease?

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

What is the mode of transmission for Babesiosis?

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

Which organism causes toxoplasmosis?

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

What is the vector for the transmission of malaria?

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

Which type of motility is exhibited by Trichomonas vaginalis?

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

Where is the site of infection for Giardia duodenalis?

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

What is the mode of transmission for Isosporiasis-Cyclosporiasis-Cryptosporidiosis?

<p>Contaminated water or food (A)</p> Signup and view all the answers

What is the diagnosis for Trichomonas vaginalis infection?

<p>Wet mount of vaginal smear to show rapidly motile trophozoites (D)</p> Signup and view all the answers

Which organism causes giardiasis?

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

Which organism causes balantidiasis?

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

What is the vector for the transmission of African trypanosomiasis?

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

Which form of Leishmania causes the most severe visceral form of the disease?

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

Which organism causes Chagas' disease?

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

Which vector is associated with the transmission of babesiosis and Lyme disease?

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

What is the mode of transmission for toxoplasmosis?

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

Which organism causes malaria and has a life cycle involving sporozoites, merozoites, and gametocytes?

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

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