week 2: standard precautions Flashcards
historically, disease prevention occurred through
quarantines
Standard Precautions apply to
- blood
- body fluids
- secretions and excretions (except sweat), regardless of whether they contain visible blood
- non-intact skin
- mucous membranes
3 modes of transmission
airborne, droplet, contact
3 levels of microbial dilution
1st: cleanliness measures
2nd: disinfection
3rd: sterilization
nail tips should not exceed ______ in length
1/4 inch
most frequently missed areas in handwashing
thumb, fingertips, and b/t fingers
alcohol based hand rub containing ____________________ alcohol for ___ seconds. does form matter?
60-95% isopropyl or ethanol; 15; form does not matter
***CDC Guidelines for instances to use alcohol rub
- before/after patient contact as long as not visibly soiled
- before donning gloves
- after removing gloves
- after contact w/ inanimate objects in the immediate vicinity of patient
how long to scrub hands in handwashing?
20 seconds
all members of the household were prevented from leaving the home or allowing others to enter
quarantined
A system recommended by the CDC to protect health care workers from contracting infections from all patients, regardless of diagnosis, by preventing contact with their blood and body fluids
Standard Precautions
the absence of microorganisms
asepsis
the process of reducing the total number of microorganisms, which is accomplished at three levels: cleanliness measures, disinfection, sterilization
microbial dilution
the second level of microbial dilution that involves the destruction of pathogens by using chemical materials
disinfection
treatment of items with heat, gas, or chemicals to make them germ-free
sterilization