FREE MDRAO Sterilization Methods and Monitoring Questions and Answers

Question 1

What are the three critical parameters for achieving steam sterilization?

Accepted Answer

Time, temperature, and pressure

Answer

Pressure, humidity, and time

Answer

Time, temperature, and steam concentration

Answer

Aeration, temperature, and time

Question 2

A Biological Indicator (BI) for steam sterilization contains spores of which microorganism?

Accepted Answer

Geobacillus stearothermophilus

Answer

Bacillus atrophaeus

Answer

Mycobacterium terrae

Answer

Clostridium difficile

Question 3

A Bowie-Dick test is performed daily in which type of steam sterilizer?

Accepted Answer

Pre-vacuum steam sterilizers

Answer

Gravity displacement sterilizers

Answer

Ethylene Oxide (ETO) sterilizers

Answer

Dry heat sterilizers

Question 4

Which low-temperature sterilization method is NOT suitable for items containing cellulose (paper, linen, cotton)?

Accepted Answer

Vaporized Hydrogen Peroxide (VHP)

Answer

Ethylene Oxide (ETO)

Answer

Ozone

Answer

Steam Formaldehyde

Question 5

What is the primary purpose of a Type 5 Chemical Indicator (Integrating Indicator)?

Accepted Answer

To react to all critical parameters of the sterilization cycle

Answer

To prove the load is sterile

Answer

To distinguish processed from unprocessed items

Answer

To monitor the effectiveness of the air removal system

Question 6

A 'wet pack' discovered at the end of a steam sterilization cycle is considered:

Accepted Answer

Contaminated and must be reprocessed

Answer

Sterile and safe to use

Answer

Sterile but must be dried in a cabinet before use

Answer

Safe to use if the external indicator has changed

Question 7

What is a critical post-sterilization step required for items processed with Ethylene Oxide (ETO)?

Accepted Answer

Aeration

Answer

Rapid cooling

Answer

Quenching in sterile water

Answer

Immediate packaging