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

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

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

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

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

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

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

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

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

What is one important property of Trichomonas vaginalis?

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

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

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

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

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

What is the disease caused by Entamoeba histolytica?

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

Where does E. histolytica infection occur most frequently?

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

How is the organism Entamoeba histolytica primarily acquired?

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

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

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

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

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

Which type of parasites occur in single-celled form?

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

What type of parasites are classified as Phylum Platyhelminthes?

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

What is the disease caused by Cryptosporidium?

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

How is the organism Cryptosporidium transmitted?

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

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