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Ch. 15 and 16
Question | Answer |
---|---|
Woven reusable fabrics are the packaging products of choice for ozone sterilization | False |
Ethylene kills microorganisms by a process called oxidation | False |
Ethylene oxide is a toxic gas | True |
Permissible exposure levels for low-temperature sterilization methods are established by the: | Occupational Safety and Health Administration |
The Probability of a viable microorganism being present on an item after sterilization is the | sterility assurance level |
Who recommends that sterilants be rigorously tested before being marketed | U.S. food and Drug Administration |
An aeration time of ___ at 140F is recommended for items sterilized with ethylene oxide | 8 hours |
Which bacterial spore is used to test hydrogen peroxide sterilization cycles? | Geobacillus stearothermophilus |
Which bacterial spore is used to test ethylene oxide sterilization cycles | Bacillus atrophaeus |
The ______ method of low-temperature sterilization uses gas cartridges for a sterilant | ethylene oxide |
The sterile storage process starts: | when the sterilizer door is opened |
Trays which overhang shelving | can become contaminated |
The type of shelving that leaves packaging the most vulnerable is | open |
The bottom shelf of any sterile storage system should be: | solid and 8 to 10 inches from the floor |
Sterile trays should: | all the above |
Wrapped trays should not be stacked because | it can cause holes in the wrapper of the bottom tray |
Outside shipping containers | should be removed prior to placing the items in storage |
Because of event-related shelf life, stock rotation is no longer necessary | False |
Temperatures in a sterile storage area should be 64 to 75F | False |
The relative humidity in the Central Service sterile storage areas should be: | less than 70% |