MICR 221 Study Guide - Final Guide: Neuraminidase, Cell Membrane, Avian Influenza
15 Mar 2017
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The (cid:271)a(cid:272)teria that"s al(cid:449)ays, (cid:272)o(cid:374)siste(cid:374)tly o(cid:374) us (cid:894)the a(cid:374)i(cid:373)al/host(cid:895) that reside on us. The nature of the relationship between living things (host and parasite) Commensal benefits while the host is not affected. One (the parasite) benefits, while the hose is usually harmed. Pathogen a microorganism capable of causing disease. Pathogenicity the ability of the microorganism to cause disease in another organism, determined bu both host and organism factors. Normal flora may become pathogenic due to opportunistic infections (an opportunity is created for the pathogen to infect) Obligate pathogens only in the case of disease do they associate with the host. Potential pathogen, leading cause of disease in humans. Normal flora colonizes the nares (and armpits etc. ) Dangerous if spread from healthy to the compromised can form serious diseases (big concerns in hospitals since found regularly in healthy) Opportunistic infections causes dental cavities, plaque formation. One of most prevalent and costly diseases in na: coli.
