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Define Infection:
a disease state that results from the presence of pathogens
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define pathogens:
disease-producing microorganisms
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Six components of infection:
infectious agent, reservoir, portal of exit, means of transmission, portals of entry, susceptible host
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Bacteria is the number one?
commonly observed infection-causing agents in healthcare insitutions
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define virus:
smallest of all microorganisms
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define virulence:
ability to cause disease
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define endemic:
occuring in one specific region or populations
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What are the four stages of infection:
incubation, prodromal, full stage of illness, and convalescent
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A person is most contagious during which stage?
Prodromal
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What are the cardinal signs of acute infection:
redness, heat, swelling, pain, and loss of function-usually at the site of injury and inflamation
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When can disinfection be used?
When preparing the skin for a procedure or cleaning a piede of equipment that does not enter a sterile body part
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When is sterilization used?
Normally performed on equipment that is entering a sterile portion of the body
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