level: L18 Foodborne Parasites
Questions and Answers List
level questions: L18 Foodborne Parasites
| Question | Answer |
|---|---|
| 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 host | host in which the parasite is not normally found, dead end host, parasite is blocked from continuing its life cycle |
| Definitive host | harbors the adult form of the parasite, animal in which the sexual cycle of parasite occurs |
| Intermediate host | animal in which the larval or juvenile form of the parasite develops |
| Parasitic Protozoa | - Toxoplasma gondii - Giardia lamblia - Cryptosporidium parvum |
| Toxoplasma gondii | in cats |
| Parasitic flatworms: beef and pork tapeworms | - Taenia saginata --> beef tapeworm - Taenia solium --> pork tapeworm |
| Parasitic round worms | Anisakis simplex: whale worm or herring worm |