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Low Temperature Sterilization Methods Quiz

#1

Which of the following is a low-temperature sterilization method?

Ethylene oxide sterilization
Explanation

Ethylene oxide sterilization is a low-temperature method using a gas to sterilize medical equipment.

#2

What is the primary advantage of low-temperature sterilization methods?

Compatibility with heat-sensitive materials
Explanation

Low-temperature methods are advantageous for materials sensitive to high heat, ensuring their compatibility during sterilization.

#3

Which parameter is critical for monitoring during low-temperature sterilization?

Temperature
Explanation

Monitoring temperature is critical to ensure the effectiveness of low-temperature sterilization processes.

#4

Which gas is commonly used in low-temperature sterilization processes?

Ethylene oxide
Explanation

Ethylene oxide is a common gas used in low-temperature sterilization processes.

#5

What is the typical temperature range for low-temperature sterilization?

100°C - 150°C
Explanation

Low-temperature sterilization typically occurs within the temperature range of 100°C to 150°C.

#6

What is the role of a biological indicator in low-temperature sterilization?

Confirm microbial lethality
Explanation

Biological indicators confirm the microbial lethality achieved during the low-temperature sterilization process.

#7

Which of the following materials is commonly sterilized using low-temperature methods?

Rubber
Explanation

Rubber is commonly sterilized using low-temperature sterilization methods.

#8

Which regulatory agency provides guidelines for low-temperature sterilization processes?

Food and Drug Administration (FDA)
Explanation

The FDA provides regulatory guidelines for low-temperature sterilization processes.

#9

Which of the following is a limitation of low-temperature sterilization methods?

Limited compatibility with complex instruments
Explanation

Low-temperature sterilization methods may have limited compatibility with complex instruments.

#10

Which of the following is a disadvantage of hydrogen peroxide plasma sterilization?

Longer cycle times
Explanation

A disadvantage of hydrogen peroxide plasma sterilization is the longer cycle times required for the process.

#11

Which factor is critical for ensuring the effectiveness of low-temperature sterilization?

Humidity level
Explanation

Maintaining an appropriate humidity level is critical for ensuring the effectiveness of low-temperature sterilization.

#12

What is a disadvantage of ethylene oxide sterilization?

Residual toxicity
Explanation

A disadvantage of ethylene oxide sterilization is the potential for residual toxicity in treated materials.

#13

What is the mechanism of action of hydrogen peroxide plasma sterilization?

Formation of free radicals
Explanation

Hydrogen peroxide plasma sterilization works by the formation of free radicals, contributing to microbial inactivation.

#14

What is the recommended exposure time for ethylene oxide sterilization?

8-12 hours
Explanation

Ethylene oxide sterilization typically requires an exposure time of 8 to 12 hours for optimal effectiveness.

#15

What is the minimum temperature required for hydrogen peroxide plasma sterilization?

10°C
Explanation

The minimum temperature required for hydrogen peroxide plasma sterilization is 10°C.

#16

What is the typical duration of a hydrogen peroxide plasma sterilization cycle?

30-60 minutes
Explanation

The typical duration of a hydrogen peroxide plasma sterilization cycle ranges from 30 to 60 minutes.

#17

What is the primary advantage of low-temperature plasma sterilization methods?

Minimal residue
Explanation

Low-temperature plasma sterilization methods offer the advantage of minimal residue on sterilized materials.

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