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what do microorganims need to survive
oxygen, optimal temp (sometimes heat), light, food, water, right ph
vector
organism that transmits the disease but does not have it
drug resistance
MRSA, VRE, MDR, why you should always finish your antibiotic regimen
course of infection
1. Incubation period: 3-21 days, pathogen has entered the body
2. prodromal stage: non-specific symptoms have begun-tired, malaise
3. acute phase- illness phase signs and symptoms have begun to appear, when you need to stay at home
and isolate yourself- you are at the peak of infection
4. convalescent period- when symptoms abate, usually not contagious here- will have antibodies
what does everyone always have to follow?
universal precautions- wearing gloves, eye protection, handwashing are all used to prevent health care
acquired infections
,when cleaning off instruments, do you use hot or cold water?
cold water, hot water coagulates proteins and makes them easy to adhere
disinfection
kills everything but spores, dont use these agents on human tissue
sterilizing
kill all microorganisms, most common method: stem under pressure- aka autoclaving
you should avoid mouth to mouth during cpr
T
you should provide patient care with open lesions
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types of isolation
universal precautions (isolation is in addition to this- to prevent cross-contamination), contact: enteric,
blood, and body fluid, airborne, droplet, protective
bacteriocidal
kills bacteria
,bacteriostatic
inhibits the growth of bacteria
contact isolation
used for clients known or suspected to have serious illness easily transmitted by direct patient contact
with items in clients environment
c diff, shingella, hepatitis, herpes
requires gloves and PPE
Airborne and Droplet isolation
client known or suspected to have an illness transmitted by airborne droplets
TB, Streptococcal pharyngitis, persons from long term care, renal failure, dialysis pts, pressure injuries
negative pressure room
fit-tested mask- N-95 mask
hepafilter
protective isolation
immunocompromised clients infected by own microorganisms
leukemia, major burns, bone marrow transplants
reverse isolation- for the patients not the health care providers
isolation is in addition to standard precautions
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, airborne
smaller than 3 microns
droplet
bigger than 5 microns
CDC
American Public Health Service
lists immunizations for going abroad
waist to hip ratio
waist measurement divided by the hip measurement
WHR <.8 optimal
WHR >.8 - individual is at a greater risk for health complications
andriod shape
apple, fat is mostly in the abdomen, greater risk for diabetes and heart disease
gynoid shape
pear shape, the fat is mostly distributes in the hips and thighs, at a lower risk for diabetes and heart
disease than andriod shaped patients
co morbidities