NURS 3550H Lecture 6: Infectious Disease (2)
28 Dec 2018
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Document Summary
Chemotherapy of illness to use drugs to kill invading organisms or cells invasion of patient not treating the patient (treatment is aimed at the organism) Invader is target illnesses infectious disease (bacterial, fungal infection, etc. ) Cancer (uncontrolled cell division within the body) Selective toxicity underpins selection of treatment kill/harm invader without harming person. Done by affecting processes/structures specific to invader. Cancer cell infecting organism has a variety of targets more challenging. Antibiotic: chemical produced by one organism that can damage another (e. g. penicillin as it is made by fungus to kill other things) Infectious disease invasion of body by another organism. Pathogenic (pathogen = organism that is disease producing) Opportunistic (pathogen that is waiting for the chance to cause disease) Gi bacteria are normally outcompeted by the normal bacteria but wait for . Overwhelms own immune system is when we need treatment. Spectrum of activity efficacy in different pathogens determines use.
