Chapter 5- Selecting Antimicrobial methods Flashcards
Choosing an effective antimicrobial methods depends on
type/ # of microbes, environmental conditions, risk of infection,
Highly resistant microbes
bacterial endospores, protozoan cysts, mycobacterium/ pseudonomas species, non enveloped species
Time required for 90% of a microbial population to be killed under specific conditions
D value/ decimal reduction time
Dirt , grease and body fluids interfere with_______ , which is why is important to thoroughly clean items
heat penetration
medical instruments that come into contact with body tissues are considered
critical instruments; must be sterile (needles, scalpels)
medical instruments that contact mucous membranes but do not penetrate body tissues
semi critical instruments
medical instrumentals that contact unbroken skin only
non critical instruments (stethoscopes/ blood pressure cuffs)