29 Questions
What is the mode of transmission of Giardiasis?
Ingestion of contaminated food and water
What is the infective stage of Trichomonas vaginalis?
Trophozoite
What is the habitat of Chilomastix mesnili?
Large intestine (Cecal Area)
What is the treatment of choice for invasive amoebiasis?
Metronidazole
What is the diagnostic stage of Entamoeba histolytica?
Cyst & Trophozoite
What is the characteristic CSF finding in S&S?
Elevated WBC with neutrophilic predominance
What is the characteristic of the nucleus of Entamoeba?
Spherical nucleus with a distinct nuclear membrane
Which coccidian is typically associated with immunocompetent individuals having self-limiting infections?
Cystoisospora belli
What is the primary reservoir host for Balantidium coli?
Pig
Which stage of Toxoplasma gondii is responsible for congenital toxoplasmosis?
Tachyzoites
What is the characteristic post-mortem exam finding in S&S?
Hemorrhagic necrosis of the olfactory bulbs
What is the definitive host for Sarcocystis?
Humans
What is the primary stage of the parasite responsible for infecting humans in American trypanosomiasis?
Metacyclic trypomastigote
Which of the following signs is characteristic of Romanas sign in Chagas disease?
Unilateral painless bipalpebral edema
What is the primary organ affected during the chronic phase of Chagas disease?
Heart
Which of the following is NOT a symptom of the acute phase of Chagas disease?
Diarrhea
What is the name of the furuncle-like lesion associated with the site of entry of the parasite in Chagas disease?
Chagoma
What is the name of the insect vector responsible for transmitting American trypanosomiasis?
All of the above
Which of the following is not a characteristic of Raillietina garrisoni?
Definitive host: Humans
What is the mechanism of transmission of Diphyllobothrium latum?
Ingestion of fish with plerocercoid larvae
What is the diagnostic stage of Raillietina garrisoni?
Proglottids
What is the treatment of choice for Diphyllobothriasis?
Praziquantel
What is the result of Diphyllobothriasis in terms of hematological effects?
Hyperchromic, megaloblastic anemia with thrombocytopenia and leukopenia
What is the definitive host of the Heterophyid Fluke Heterophyes heterophyes?
Humans, birds, dogs, and cats
What is the first intermediate host of the Intestinal Fluke Echinostoma ilocanum?
Snails (Hyraulus convexiusculus, Hippeutis umbilicalis)
What is the mode of transmission of the Intestinal Fluke Fasciolopsis buski?
Ingestion of encysted metacercariae from aquatic plants
What is the diagnostic stage of the Intestinal Fluke Echinostoma ilocanum?
Eggs
What is the common name of the Liver Fluke Fasciola spp.?
Common liver fluke/Sheep liver fluke/Temperate liver fluke
What is the treatment of choice for the disease Heterophyiasis?
Praziquantel
Test your knowledge of two common parasitic diseases: Giardiasis, caused by Giardia lamblia, and Trichomoniasis, caused by Trichomonas vaginalis. Learn about their habitats, modes of infection, symptoms, and treatment options.
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