HLTB21H3 Quiz: HLTA TEST 1 notes.docx

• School: UTSC
• Department: Health Studies
• Course: HLTB21H3
• Professor: Caroline Barakat

Document Summary

Parasites organism that grows, feeds & is sheltered on/in different organism (host) + does not contribute to survival of its host. Virus micro-parasite smaller than bacteria neither cell nor organism can only reproduce within host live inside cell eg. hiv. Macro-parasite composed of many cells cycles thru transmission stages (eggs, larvae) which pass into external environment live outside cell eg. fleas. Ingestion: thru the mouth eg. ecoli in water. Transmission movement of a parasite from host host th u c ta at e ty ute s s w acte a. Latent period seemingly inactive period bt exposure to infection and subsequent illness. Parasite virulence capacity of parasite to cause disease. Zoonotic infections animal infections transmitted to humans. Pathogen cause of disease eg. virus, bacteria. Endemic disease which occurs in predictable fashion, usual, regular within a given geographical area. eg. flu. Epidemic disease of which the occurrence exceeds expectation in terms of effect.