255 infection

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disseminated infection means

spread of infection beyond the local area
latent viral infection =

viral infection that is dormant
septicemia =

systemic infection but not necessarily bacteria
super infection is caused when

normal flora are killed and opportunistic microorganisms become pathogenic
pathogenic means

to cause disease
health care associated infections are greater for which patients
- immunocompromised
- pregnant
- children, elderly
- co-morbidities
- indwelling devices
- breaks in innate defenses
virulence =

the potency of a pathogen
infectivity =

the # of exposures needed for development of the disease
toxigenicity =

ability of pathogen to produce toxins
antigenicity =

degree to which immune system views pathogen as foreign
gram positive =

violet color after gram stain
gram negative

pink/red gram stain
which are more difficult to treat positive or negative

negative
mycoses mean

fungal infection
fungal infections are not common in who

healthy immune systems
chain of infection include
- infectious agent
- reservoirs
- portal of exits
- means of transmission
- portal of entry
- susceptible host
different modes of transmission =
- direct contact
- droplet - pneumonia, flu (withing 3 ft)
- airborne - TB, small resp particles
- vector - vehicle that harbors particles (ticks)
phases of infection
prodromal phase of infection =
- subclinical illness
- pt has disease but has few symptoms
leukocytosis =

elevation in WBC
leukopenia =

decrease in WBC
serum antibody level tests what

the presence of certain antibodies against pathogens
how long does it take to get a culture and sensitivity test back

2-3 days
attentuated vaccine =

live (weakend) virus
inactivated vaccine =

killed
if pt is allergic to eggs what is contraindicated

vaccine

Author

elevatedsound7

235346

Card Set

255 infection

Description

255 infection

Updated

2013-09-17T15:53:04Z

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