Podcast
Questions and Answers
What is the primary goal of sterilization?
What is the primary goal of sterilization?
- To ensure reusable items are safe for handling
- To completely destroy all microorganisms including bacterial spores (correct)
- To reduce the number of microorganisms to a safe level
- To prevent environmental contamination during processing
Which sterilization method typically has the longest cycle time?
Which sterilization method typically has the longest cycle time?
- Steam sterilization
- Gas plasma
- Ethylene Oxide sterilization
- Dry heat sterilization (correct)
Which of the following characteristics is NOT ideally associated with sterilization methods?
Which of the following characteristics is NOT ideally associated with sterilization methods?
- Rapid throughput
- Ability to process wrapped items
- Capability for normal pressure use (correct)
- Easy validation processes
What is a common sterilization method that operates at ambient temperature?
What is a common sterilization method that operates at ambient temperature?
Which method of sterilization is most effective for completing the cycle in approximately 40-60 minutes?
Which method of sterilization is most effective for completing the cycle in approximately 40-60 minutes?
Flashcards
Sterilization goal
Sterilization goal
Complete destruction of all microorganisms, including spores.
Longest sterilization cycle
Longest sterilization cycle
Dry heat sterilization.
Unwanted sterilization characteristic
Unwanted sterilization characteristic
Normal pressure use.
Sterilization at ambient temp
Sterilization at ambient temp
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Fast sterilization method
Fast sterilization method
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Study Notes
Overview of Sterilization
- Complete destruction of microorganisms, including bacterial spores.
- Essential for all reusable invasive medical devices (RMD).
Ideal Characteristics of Sterilization Methods
- Rapid throughput for efficiency.
- Easy validation to ensure effectiveness.
- Ability to process wrapped items for safe storage without contamination risk.
Common Sterilization Methods
-
Steam (Moist Heat)
- Operates at high pressure.
- Cycle time: approximately 40–60 minutes.
-
Dry Heat
- Functions like an oven at normal pressure.
- Cycle time: up to 2 hours.
-
Gas Plasma
- Works at ambient temperature.
- Cycle time: 45–75 minutes.
-
Ethylene Oxide (EO)
- Can be performed at sub-atmospheric or high pressure.
-
Low Temperature Steam and Formaldehyde Vapor
- Specific cycle time not provided; typically used for heat-sensitive items.
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