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Questions and Answers
What is the primary goal of sterilization?
What is the primary goal of sterilization?
- To completely destroy all microorganisms including bacterial spores (correct)
- To sanitize a surface
- To remove all dirt and debris from a surface
- To reduce the number of microorganisms on a surface
What is a characteristic of an ideal sterilization method?
What is a characteristic of an ideal sterilization method?
- Long cycle times to ensure thorough sterilization
- Only effective against bacterial spores
- Rapid throughput to increase efficiency (correct)
- Specialized equipment that requires frequent maintenance
Which of the following sterilization methods uses high pressure?
Which of the following sterilization methods uses high pressure?
- Gas Plasma
- Dry Heat
- Ethylene Oxide
- Steam (correct)
What is a benefit of steam sterilization?
What is a benefit of steam sterilization?
What is the approximate cycle time for gas plasma sterilization?
What is the approximate cycle time for gas plasma sterilization?
What is the main reason why sterilization is required for all reusable invasive medical devices?
What is the main reason why sterilization is required for all reusable invasive medical devices?
Which of the following sterilization methods is most similar to an oven in terms of its operating principle?
Which of the following sterilization methods is most similar to an oven in terms of its operating principle?
What is the advantage of using low temperature steam and formaldehyde vapor sterilization?
What is the advantage of using low temperature steam and formaldehyde vapor sterilization?
Which of the following sterilization methods is typically used at sub-atmospheric or high pressure?
Which of the following sterilization methods is typically used at sub-atmospheric or high pressure?
What is the primary benefit of using steam sterilization over other methods?
What is the primary benefit of using steam sterilization over other methods?
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Study Notes
Sterilization
- Sterilization is the complete destruction of microorganisms, including bacterial spores.
- It is required for all reusable invasive medical devices (RMD).
Ideal Sterilization Methods
- Should have rapid throughput.
- Should be easily validated.
- Should be capable of processing wrapped items to enable storage after processing without the risk of environmental contamination.
Sterilization Methods
Thermal Energy Methods
- Steam (moist heat) at high pressure: cycle time approximately 40–60 minutes.
- Dry Heat, similar to an oven, using normal pressure: cycle time up to 2 hours.
Low Temperature Methods
- Gas plasma at ambient temperature: cycle time 45–75 minutes.
- Ethylene Oxide (EO) at sub-atmospheric or high pressure.
- Low temperature steam and formaldehyde vapor: cycle time varies.
Sterilization
- Sterilization is the complete destruction of microorganisms, including bacterial spores.
- It is required for all reusable invasive medical devices (RMD).
Ideal Sterilization Methods
- Should have rapid throughput.
- Should be easily validated.
- Should be capable of processing wrapped items to enable storage after processing without the risk of environmental contamination.
Sterilization Methods
Thermal Energy Methods
- Steam (moist heat) at high pressure: cycle time approximately 40–60 minutes.
- Dry Heat, similar to an oven, using normal pressure: cycle time up to 2 hours.
Low Temperature Methods
- Gas plasma at ambient temperature: cycle time 45–75 minutes.
- Ethylene Oxide (EO) at sub-atmospheric or high pressure.
- Low temperature steam and formaldehyde vapor: cycle time varies.
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