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10 Cards in this Set
- Front
- Back
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List The chain of infection
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1. infectious agent-- bacteria, viruses, fungi 2. Resevior-- natural habitat of the organisms 3. Portal of exist-- point of escape for the organism 4. means of transmission-- direct contact, indirect contact, airborne route 5. portal of entry-- point at which organism enter a new host 6. susceptible host-- must overcome resistance mounted by host's defenses |
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infections agents
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1. bacteria-- most significant most prevalent in hospital settings 2. virus-- smallest microorganisms 3. fungi-- plantlike organisms present in air, water, soil |
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factors that affect disease production
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1. number of organsims 2. virulence 3. competence of the person immune system 4. lenghth and intimacy of contac b/w peron and microorgansims |
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reseviors for organisms |
1. other humans 2. Animals 3. soil 4. food,water, milk 5. inanimate object |
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portals of exist |
1. respiratory 2. gastrointestinal 3. genotourinary tracts 4. breaks in skin 5. blood and tissue |
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what is Aseptic technique |
1. includes all activities to prevent or break the chain of infection |
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2 categories of Aspetic technique |
1. medial asepsis-- clean technique 2. surgical asepsis-- sterile technique |
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factors predisposing patients to nocosomial infections
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1. use of invasive devises 2. antibiotics resistant organisms developed in hospitals |
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stages of infection
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1. incubation period-- organisms growing and multiplying 2. prodromal stage-- person is most infectious, vague, and nonspecific signs of disease 3.full stage of illness- presence of specific signs and symptoms of disease 4. convalscent period-- recovering from the infection |
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body defense
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1. body's normal flora 2. inflammatory response 3. immune response |
