Introduction to Medical Parasitology Classification

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22 Questions

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

Liver

How are cysts of the parasite described in the text removed from water?

Killed by boiling

What is the drug of choice for treating the parasite in the text?

Metronidazole

What is the minimum infective dose for humans of the parasite described in the text?

10-25 cysts

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

Fecal-oral route

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

Watery diarrhea

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

Prostate

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

Sexual intercourse

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

Vagina

What is one important property of Trichomonas vaginalis?

Presents as both trophozoite and cyst stages.

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

Stained Giemsa or unstained smears can be examined.

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

High-risk sexual behavior.

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

Cestoda

What is the disease caused by Entamoeba histolytica?

Amebic dysentery

Where does E. histolytica infection occur most frequently?

Tropical countries

How is the organism Entamoeba histolytica primarily acquired?

Ingestion of cysts

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

Fecal-oral route

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

Male homosexuals

Which type of parasites occur in single-celled form?

Protozoa

What type of parasites are classified as Phylum Platyhelminthes?

Flatworms

What is the disease caused by Cryptosporidium?

Giardiasis

How is the organism Cryptosporidium transmitted?

Ingestion of cysts

Explore the fundamentals of medical parasitology which involves the study of invertebrate animals capable of causing diseases in humans and other animals. Learn about the classification of parasites into single-celled protozoa and multicellular metazoa, along with their respective sub-divisions.

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