10 Questions
Which stage of the parasite's life cycle is able to initiate an infection in its host?
Infective stage
What is the term for a stage of the parasite's life cycle that exits the definitive host?
Diagnostic stage
Which type of infection occurs when an infected individual becomes their own direct source of infection?
Autoinfection
Which entity acts as a living carrier that transports pathogens and plays a role in the life cycle of the pathogen?
Biological vector
What type of infection involves non-living entities as carriers of pathogens?
Vehicle transmission
Which type of parasite life cycle does not require an intermediate host to complete its life cycle?
Direct life cycle
In what way do mechanical vectors differ from biological vectors in disease transmission?
Mechanical vectors play a role in the pathogen's life cycle.
Which effect on the host results from enzymatic interference caused by E.histolytica trophozoites?
Digestion of cellular material
What type of infection involves a living entity that transports pathogens but does not play a role in their life cycle?
Mechanical infection
What role does an accidental host typically play in the transmission of parasites?
Unintentionally ingests parasitic cysts
Learn about the different types of hosts in parasitology, including definitive hosts which harbor parasites in the adult stage, and intermediate hosts which harbor the larval stages. Explore examples like humans in taeniasis and pigs in T. solium.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
