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Medical Sterilization Module 10

Created by

@HardyLeprechaun

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Questions and Answers

What is the primary purpose of sterilization in medical settings?

To reduce the number of microorganisms to a safe level

To enhance the longevity of medical devices

To prevent surface contamination of medical instruments

To completely destroy all microorganisms, including spores (correct)

Which sterilization method has the shortest typical cycle time?

Dry Heat

Ethylene Oxide (EO) at high pressure

Gas plasma at ambient temperature (correct)

Steam (moist heat) at high pressure

Which feature is essential for a sterilization method to be considered effective?

Ability to operate at high temperatures

Capability for processing wrapped items without contamination risk (correct)

Utilization of chemical agents in every cycle

Involvement of multiple sterilization techniques in a single cycle

For which of the following sterilization methods is the cycle time approximately 40–60 minutes?

<p>Steam (moist heat) at high pressure</p> Signup and view all the answers

What is a common characteristic of low temperature chemical sterilization methods?

<p>Can process items without high temperatures</p> Signup and view all the answers

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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Description

Explore the essential concepts of sterilization in medical practices, focusing on the complete destruction of microorganisms. This module highlights methods that ensure safe processing of reusable invasive medical devices and discusses the requirements for effective validation and storage post-sterilization.