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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