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.</p> Signup and view all the answers

    What is the primary mode of transmission for toxoplasmosis?

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

    Which insect is the vector for the transmission of Babesiosis?

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

    What is the mode of transmission for Giardia lamblia?

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

    Where is the site of infection for Entamoeba histolytica?

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

    What is the diagnosis for Trichomonas vaginalis infection?

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

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

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

    What is the mode of infection for Naegleria fowleri?

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

    What is the motility type of Amoebae?

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

    What is the mode of transmission for Giardia lamblia?

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

    Where is the site of infection for Trichomonas vaginalis?

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

    What is the diagnosis for Balantidium coli infection?

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

    What is the mode of infection for Naegleria fowleri?

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

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

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

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

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

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

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

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

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

    Which organism causes toxoplasmosis?

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

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

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

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

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

    Which type of motility is exhibited by Trichomonas vaginalis?

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

    What is the mode of transmission for Giardia lamblia?

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

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

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

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

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

    What is the mode of infection for Giardia duodenalis?

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

    Which vector is associated with the transmission of Leishmania?

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

    Which organism causes African trypanosomiasis (sleeping sickness)?

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

    Which parasite causes Chagas' disease?

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

    What is the mode of transmission for Babesiosis?

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

    Which organism causes toxoplasmosis?

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

    What is the vector for the transmission of malaria?

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

    Which type of motility is exhibited by Trichomonas vaginalis?

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

    Where is the site of infection for Giardia duodenalis?

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

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

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

    Which organism causes giardiasis?

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

    Which organism causes balantidiasis?

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

    What is the vector for the transmission of African trypanosomiasis?

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

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

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

    Which organism causes Chagas' disease?

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

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

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

    What is the mode of transmission for toxoplasmosis?

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

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

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

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