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Infection prevention and control exam 1|53 Q’s with A’s
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Infection prevention and controlexam 1|53 Q’s with A’s
Professional standards and guidelines to help control infections - --the
centers for disease control (CDC)
-the agency for healthcare research and quality (AHRQ)
-JCAHO or TJC (the joint commission)
-Quality and safety education for nurses (QSEN)
-Public Health Department
-American Nurses Association (ANA)
-What is the chain of infection? - -1. infectious agent (bacteria, virus,
protozoa)
2. reservoir (has to have reservoir to grow--humans, animals, bigs, food, or
water)
3. portal of exit (sneezing, coughing)
4. mode of transmission (you can touch it then put in mouth. organisms:
need food, water, certain pH, dark and moist area)
5. portal of entry
6. host (have to be susceptible to infection
**how it exits is same as entry***
-What are influencing factors? - --not well nourished
-exhausted
-stressed
-smokers
-medications
-What are some risk factors that make a person more susceptible to
disease? - --very old and very young
-at risk...chronic diseases
-diabetes
-immunodeficiency
-What are sites that can predispose patients to infection? - --surgical
wounds
-respiratory tract
-genitourinary tract
-invasive devices
-bloodstream ---always have clean skin
-venipuncture sites
-total parenteral nutrition therapy (TPN) --gives nutrition through IV
-implanted prosthetic devices
, -What are defenses against infection? - --normal floras (help kill other
bacteria that gets on body; microorganisms that don't cause problems
-body system defenses (blinking, crying)
-inflammation
-vascular and cellular responses (if organisms stay where they are supposed
to be, everything will be okay)
-What is the inflammation process? - --formation of inflammatory exudate
--serous (clear fluid)**
--sanguineous (blood)**
--purulent (infection)
-tissue repair
--granulation (not as strong as original tissue)
---when you have a cut: body's natural response
--brown, red, green; indicates infection
systemic infection:cant control localized infection
**natural inflammatory response
-What is the course of infection? - -1. incubation period: pathogens enters
body prior to symptoms
2. prodromal stage: symptoms kind of start (no energy, tired) (miroraganism
is multiplying)
3. illness stage: know what's going on, ex-sore throat
4. convalescence: symptoms and infections dissapear but illness is lingering
-What is the infection process? - --local/systemic (stays in one spot ex: UTI)
-primary/secondary- Primary: infection happened there. secondary:
antibiotics kill primary but cause another infection
-acute/chronic (acute: rapid/onset Chronic: lasts for a long time )
-colonization (microorganism in body but not causing disease process ex:
MRSA)
-latent (lies dormant ex: TB has been cured but dormant and can be
activated)
-Assessment--physical - --clinical appearance
--intactness of 1st line of defense (any breaks in the skin, health status?)
--local symptom of infection
---REDA (redness, edema, drainage, approximation)
---COCA (color, odor, consistency, amount)
--systemic symptoms of infection
--symptoms specific to body system involved
-assessment--physical (lab data) - --WBC=5,000 to 10,000 per microliter of
blood (if WBC count goes up that means theres an infection somewhere)
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