17 Questions
Which type of life cycle requires parasites to need only one host (man)?
Direct/simple life cycle
How can trematode eggs cause mechanical trauma in humans?
By causing mucosal irritation
Which parasite may compress surrounding tissues due to characteristic cystic lesions it produces?
Hydatid cysts
Which type of life cycle needs one definitive host and two intermediate hosts?
Triple-host life cycle
What can result from the migration of helminthic larvae in the lungs?
Pneumonitis
How is infection commonly transmitted orally?
By ingestion of contaminated food or water
Which parasite is most frequently transmitted through sexual contact?
Trichomonas vaginalis
Which parasite can penetrate through the skin of an individual walking barefooted over fecally contaminated soil?
Strongyloides stercoralis
Which type of parasite is transmitted by the bite of a female anopheles mosquito?
Plasmodium
Which parasite is commonly transmitted through mother to fetus transmission?
Toxoplasma gondii
Which parasite is transmitted by the bite of a tsetse fly?
Trypanosoma cruzi
What is the main pathological effect of E.histolytica on the large intestine?
Granuloma formation
Which parasite causes chronic inflammation of the lymphatics and lymph vessels?
W.bancrofti
What type of changes can Trematode eggs induce in the body?
Granuloma formation
Which group of parasites produce enzymes that cause digestion and necrosis of host cells?
Flagellates
What is one example of a parasitic toxin responsible for pathogenesis of the disease?
Cercarial dermatitis
What kind of manifestations can parasites' metabolic products produce in sensitized hosts?
Anaphylactic reactions
Explore the life cycles of various parasites like Cryptosporidium parvum, Taenia solium, Enterobius vermicularis, and more. Learn about direct/simple life cycles and indirect/complex life cycles that involve definitive hosts and intermediate hosts.
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