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level: L18 Foodborne Parasites

Questions and Answers List

level questions: L18 Foodborne Parasites

QuestionAnswer
General characteristics of parasites- no multiplication in foods - cannot grow in culture media - larger than bacteria - many are intracellular pathogens - require more than one host for life cycle
Accidental hosthost in which the parasite is not normally found, dead end host, parasite is blocked from continuing its life cycle
Definitive hostharbors the adult form of the parasite, animal in which the sexual cycle of parasite occurs
Intermediate hostanimal in which the larval or juvenile form of the parasite develops
Parasitic Protozoa- Toxoplasma gondii - Giardia lamblia - Cryptosporidium parvum
Toxoplasma gondiiin cats
Parasitic flatworms: beef and pork tapeworms- Taenia saginata --> beef tapeworm - Taenia solium --> pork tapeworm
Parasitic round wormsAnisakis simplex: whale worm or herring worm