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20 Cards in this Set
- Front
- Back
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reservoir
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where pathogens live and multiply
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infectious agents
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pathogens
normal flora that become pathogenic |
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portal of exit
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bodily fluids,coughing,sneezing,diarrhea,seeping wounds,tube,iv lines
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Modes of transmission
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direct-touching,kissing,sexual contact
droplet-cough,sneeze airborne-via a/c sweeping |
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portal of entry
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eye,nares,mouth,vagina,cuts,scrapes,wounds,surgicalsites,iv of drainage tube sites,bite from a vector
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susceptible host
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person with inadequate defense
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three determining facors
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virulence
number of organisms Host's defenses |
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stages of infection
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incubation
prodromal illness decline convalescence |
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local infection
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local region of body ie: urinary tract
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Systemic
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spread via blood or lymph, may afect many regions
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acute
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rapid onset
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chronic
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slow development
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latent
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hiv/aids
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nosocomial infection
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acquired in health care facility
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exogenous nosocomial
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pathogen acquired from health care environment
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endogenous nosocomial
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normal flora multiply and cause infection as a result of tx
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primary defense
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anatomical features limit pathogen entry, intact skin, mucous membranes,tears,normal flora in GI tract,normal flora in urinary tract
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secondary defense
(released by pathogens) |
phagocytosis
complement cascade inflammation fever |
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tertiary defenses
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humoral immunity
cell mediated immunity |
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Normal wbc
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5 to 10000
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