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Sterilization and Infection Control in Healthcare Settings Quiz

#1

Which of the following is NOT a method of infection control?

Chemical sterilization
Explanation

Chemical sterilization is a method of infection control, using chemicals to kill microorganisms.

#2

What is the recommended duration for handwashing to effectively remove germs?

At least 20 seconds
Explanation

Washing hands for at least 20 seconds ensures thorough removal of germs.

#3

Which of the following is an example of a chemical sterilant used in healthcare settings?

Hydrogen peroxide
Explanation

Hydrogen peroxide is used as a chemical sterilant due to its effectiveness in killing microorganisms.

#4

What is the role of personal protective equipment (PPE) in infection control?

To prevent the spread of infection between both patients and healthcare workers
Explanation

PPE acts as a barrier to prevent direct contact with infectious agents, protecting both patients and healthcare workers.

#5

What is the purpose of monitoring sterilization processes in healthcare facilities?

To identify equipment malfunctions or operator errors
Explanation

Monitoring ensures that sterilization processes are functioning correctly to prevent the risk of infection.

#6

Which of the following methods is commonly used for sterilization in healthcare settings?

Ultraviolet (UV) radiation sterilization
Explanation

UV radiation effectively kills microorganisms, preventing contamination.

#7

What is the purpose of an autoclave in sterilization processes?

To sterilize by exposing to high pressure and temperature
Explanation

Autoclaves use heat and pressure to effectively kill bacteria, viruses, and spores.

#8

Which of the following is a recommended practice to prevent the spread of infections in healthcare settings?

Disinfecting medical equipment between uses
Explanation

Disinfecting equipment kills or removes microorganisms to prevent infection transmission.

#9

What is the purpose of HEPA filters in air filtration systems within healthcare facilities?

To trap and remove airborne pathogens
Explanation

HEPA filters capture and remove airborne particles, including pathogens, from the air.

#10

What is the purpose of terminal cleaning in healthcare settings?

To clean surfaces after each patient's discharge or transfer
Explanation

Terminal cleaning ensures thorough cleaning and disinfection of surfaces to prevent cross-contamination between patients.

#11

Which of the following microorganisms is considered the most resistant to sterilization processes?

Bacterial spores
Explanation

Bacterial spores have tough outer coats that make them highly resistant to sterilization.

#12

Which of the following is a characteristic of an ideal disinfectant for use in healthcare settings?

Ability to eliminate all microbial life within seconds
Explanation

An ideal disinfectant should be fast-acting, effectively killing microorganisms on contact.

#13

Which of the following is a primary advantage of using ethylene oxide (EtO) gas for sterilization?

Compatibility with all types of materials
Explanation

EtO gas can penetrate various materials, making it suitable for sterilizing a wide range of medical devices.

#14

Which of the following is an example of a biological indicator used in sterilization processes?

Bacillus stearothermophilus spores
Explanation

Biological indicators contain a known number of viable microorganisms used to assess sterilization effectiveness.

#15

What is the primary purpose of using a biological safety cabinet (BSC) in laboratory settings?

To maintain a sterile environment
Explanation

BSCs protect laboratory workers and prevent contamination by providing a contained, sterile workspace.

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