(Part 1) 1.16 Sterilization, Disinfectant, Antiseptic Flashcards
121C / 15 psi / 15 mins
Autoclave (Moist heat)
Temp and duration for Dry heat (Oven)
160-18C / 1.5-3 hrs
Indicator for Autoclave?
Bacillus stearothermophilus
Indicator for Dry heat?
Bacillus subtilis var niger
Most common gas for sterilization
Ethylene oxide
Temp and duration for ethylene oxide?
55C / 2hrs
Short wave length, high energy which used in syringes, gloves, and catheters
Ionizing radiation
Filtration sized used in parenteral solutions and vaccines
0.22um
HEPA filer size
0.3 um
Kills vegetative life forms (100C, 15 mins)
Boiling
Used mostly in food ndustry
Pasteurization
Batch: 72C/15 sec
Flash 63C/30 mins
T or F
F
Baligtad
Long wavelength, low energy which is used in surfaces
non-ionizing radiation
Kills spores but unsafe to humans
Aldehyde
Solution for aldehyde?
Formalin 8% Glutaraldehyde 2%
Solution for aldehyde?
Formalin 8%
Glutaraldehyde 2%
Solution for Chlorine compounds
Sodium hypochlorite 1:10 dilution
Stock solution for Chlorin compound?
5.25%
Silver nitrate / Mercuric chloride is rarely used due to health hazard
T or F
T
Easily inactivated by organic matter, limited to disinfection of bench top or floor
Quaternary ammonium compounds
Non-sporicidal, non-tuberculoidal: Quaternaru ammonium compounds
T or F
T
Disinfects hospitals/household environment
Phenols
Used as an antiseptic or disinfectant
Alcohol (60-90%) ethanol or isopropanol
Halogen:
Iodine + alcohol
Tincture of iodine
Halogen:
Iodine + Polymer carrier
Iodophore
Disinfects hands of surgical personnel
0.5-4% Chlorhexidine gluconate
