Flashcards in CH 10 DISINFECTION Deck (30)
Highest level of contamination, destroys all microbial life?
Less lethal than sterilization, does not include the destruction of resistant bacterial spores
Disinfection is achieved using what two means?
Glutaraldehyde, a high level disinfectant needs to be what % agent to be FDA registered?
2 - 3.2
Chlorine dioxide can disinfect in 3 minutes and sterilize in how many hrs?
Chlorine dioxide solution has what shelf life?
Iodophors are classified how?
Intermediate level disinfectants
Iodophor biocidal activity is accomplished in what exposure time?
Flush HVE how often?
Non-critical category items require at least what level disinfection?
Sterilization takes place in what room?
CSR (central sterilization room)
What process is safer and more effective than manual scrubbing?
Bursting bubbles in ultrasonic cleaning?
Limit ultrasonic cleaning time to how many minutes?
Triple-sink modules are used for?
Heat sealed overwrapping will extend a 30 day shelf life up to?
What is the most dependable and economical method of sterilization?
Autoclave (steam under pressure)
What are the two most common types of steam sterilizers used by the USN?
Downward displacement (gravity) Pre-vacuum
high temp sterilizer (most economical)
Temp all known organisms are killed
Bowie-dick test (checks for air removal) was developed for what type of sterilizer?
Complete Bowie-dick test how often?
Clean the interior of steam sterilizer how often?
Least expensive form of heat sterilization?
Typical dry heat cycle?
320 - 345F
(375 is max temp)
Chemical vapor sterilization cycle?
ETO gas can sterilize in 4-12 hrs at only 120F but needs how much aeration time?
How many chemicals can render an item sterile?
MUST SOAK FOR 10 HRS
Effective/preferred methods of sterilization?
Dry heat oven