Bact: Sterilization/Disinfecting

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Author:
HLW
ID:
65135
Filename:
Bact: Sterilization/Disinfecting
Updated:
2011-02-08 21:49:30
Tags:
bact
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Description:
Bact: Sterilization/Disinfecting
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  1. Physical Agents (5):
    • Moist Heat
    • Dry Heat
    • Radiation
    • Filtration
    • Radiation
  2. Boiling is ineffective against...
    spores
  3. Catheters and plastic petri dishes can be sterilized using:
    Ionizing radiation/gamma rays
  4. Serum and injectable solutions are sterilized using
    Filtration
  5. Filtration is ineffective against:
    Mycoplasma
  6. Properties of an ideal agent (7):
    • Kills spores
    • Acts Fast
    • Acts on Organic Matter
    • Low Temps
    • Wide pH range
    • Non-toxic
    • Stable
  7. PC-
    • Phenol Coefficient
    • (killing power relative to phenol)
  8. Chemical Agents (7):
    • Soluble OH
    • Sterilizing Gas
    • Disinfecting Gas
    • Glutaraldehyde
    • Halogens
    • Phenolics
    • Detergents
  9. Ex. of sterilizing gas:
    ethylene oxide
  10. Ex. of disinfecting gas
    formaldehyde
  11. Chemical Agent used for farms-
    Formaldehyde
  12. Ex. of Halogen
    Chlorine-oxide
  13. Phenolics act on...
    organic matter
  14. Ex. of a detergent:
    Chlorohexadine
  15. Chemical agents that are effective against spores:
    • Ethylene oxide (some)
    • Glutaraldehde (2%)
    • Halogens (at right pH)
  16. Tx for anthrax exposure
    5% formalin for 4hrs
  17. Tuberculocidal compounds:
    • Peracetic Acid
    • Chlorine Dioxide
  18. Fungal Spores can survive for
    10 months
  19. Anthrax can survive for
    >50 yrs
  20. Most bacteria can survive for
    • 3 days- 8 months
    • (mycoplasma- brucella)

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