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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% |