Introduction to Medical Parasitology Classification
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Questions and Answers

Which organ is the most frequent site of systemic disease for the parasite described in the text?

  • Lungs
  • Liver (correct)
  • Heart
  • Colon
  • How are cysts of the parasite described in the text removed from water?

  • Removed by filtration
  • Killed by chlorination
  • Removed by sedimentation
  • Killed by boiling (correct)
  • What is the drug of choice for treating the parasite in the text?

  • Metronidazole (correct)
  • Paromomycin
  • Iodoquinol
  • Quinacrine
  • What is the minimum infective dose for humans of the parasite described in the text?

    <p>10-25 cysts</p> Signup and view all the answers

    Which route can lead to person-to-person spread of Giardia lamblia according to the text?

    <p>Fecal-oral route</p> Signup and view all the answers

    What is the clinical finding associated with giardiasis according to the text?

    <p>Watery diarrhea</p> Signup and view all the answers

    Where is Trichomonas vaginalis found in men according to the text?

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

    What is the primary mode of transmission for Trichomonas vaginalis according to the text?

    <p>Sexual intercourse</p> Signup and view all the answers

    Which organ is affected in women infected with Trichomonas vaginalis according to the text?

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

    What is one important property of Trichomonas vaginalis?

    <p>Presents as both trophozoite and cyst stages.</p> Signup and view all the answers

    Which method can be used for the laboratory diagnosis of Trichomonas vaginalis?

    <p>Stained Giemsa or unstained smears can be examined.</p> Signup and view all the answers

    What should be avoided to prevent reinfection after treatment for Trichomonas vaginalis?

    <p>High-risk sexual behavior.</p> Signup and view all the answers

    Which of the following is NOT a sub-division of Protozoa?

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

    What is the disease caused by Entamoeba histolytica?

    <p>Amebic dysentery</p> Signup and view all the answers

    Where does E. histolytica infection occur most frequently?

    <p>Tropical countries</p> Signup and view all the answers

    How is the organism Entamoeba histolytica primarily acquired?

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

    Which of the following is a mode of transmission for E. histolytica?

    <p>Fecal-oral route</p> Signup and view all the answers

    Among whom is the disease caused by E. histolytica widely prevalent?

    <p>Male homosexuals</p> Signup and view all the answers

    Which type of parasites occur in single-celled form?

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

    What type of parasites are classified as Phylum Platyhelminthes?

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

    What is the disease caused by Cryptosporidium?

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

    How is the organism Cryptosporidium transmitted?

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

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