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Bact: Sterilization/Disinfecting
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Physical Agents (5):
Moist Heat
Dry Heat
Radiation
Filtration
Radiation
Boiling is ineffective against...
spores
Catheters and plastic petri dishes can be sterilized using:
Ionizing radiation/gamma rays
Serum and injectable solutions are sterilized using
Filtration
Filtration is ineffective against:
Mycoplasma
Properties of an ideal agent (7):
Kills spores
Acts Fast
Acts on Organic Matter
Low Temps
Wide pH range
Non-toxic
Stable
PC-
Phenol Coefficient
(killing power relative to phenol)
Chemical Agents (7):
Soluble OH
Sterilizing Gas
Disinfecting Gas
Glutaraldehyde
Halogens
Phenolics
Detergents
Ex. of sterilizing gas:
ethylene oxide
Ex. of disinfecting gas
formaldehyde
Chemical Agent used for farms-
Formaldehyde
Ex. of Halogen
Chlorine-oxide
Phenolics act on...
organic matter
Ex. of a detergent:
Chlorohexadine
Chemical agents that are effective against spores:
Ethylene oxide (some)
Glutaraldehde (2%)
Halogens (at right pH)
Tx for anthrax exposure
5% formalin for 4hrs
Tuberculocidal compounds:
Peracetic Acid
Chlorine Dioxide
Fungal Spores can survive for
10 months
Anthrax can survive for
>50 yrs
Most bacteria can survive for
3 days- 8 months
(mycoplasma- brucella)
Author
HLW
ID
65135
Card Set
Bact: Sterilization/Disinfecting
Description
Bact: Sterilization/Disinfecting
Updated
2011-02-09T02:49:30Z
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