IAHCSMM CRCST Practice Test – Chapter 9 Disinfection

IAHCSMM CRCST Practice Test—Chapter 9 Disinfection is designed to help central service and Sterile Processing professionals prepare for the Certified Registered Central Service Technician (CRCST) examination.

This crucial chapter focuses on the methods and principles of disinfection, an essential process in preventing infections and ensuring patient safety. Learn in depth about different types of disinfectants, their mechanisms of action, and the appropriate usage for various surfaces and instruments.

In our practice test, 27 multiple-choice questions cover a wide range of topics from Chapter 9, including various disinfection and sterilization methods, proper use of chemicals, and the importance of adhering to the manufacturer’s instructions for use (IFU). The questions address essential topics such as:

  • Types of disinfectants and their respective properties
  • Factors to consider when preparing a disinfectant solution
  • The importance of wet contact time in the disinfection process
  • Methods of thermal disinfection
  • Strategies to prevent recontamination during the disinfection process

IAHCSMM CRCST Practice Test – Chapter 9

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CRCST Practice Test - Chapter 9

CRCST Practice Test - Chapter 9
Total Items: 27
Time Limit: N/A
Multiple Choice Quiz

1 / 27

What are the three categories of the Spaulding Classification System?

2 / 27

What is the primary purpose of thermal disinfection?

3 / 27

What does wet contact time mean in the context of disinfection?

4 / 27

Which of the following is NOT a factor that must be considered when preparing a disinfectant solution?

5 / 27

What should be ensured during the disinfection process to prevent recontamination of the processed items?

6 / 27

Which disinfectant can achieve high-level disinfection in 5 minutes at room temperature?

7 / 27

Which disinfectant is known to be effective against norovirus, rotavirus, RSV, MRSA, and TB?

8 / 27

What is the primary disadvantage of using OPA as a disinfectant?

9 / 27

What is the primary advantage of using Ortho-Phthalaldehyde (OPas) a disinfectant?

10 / 27

What is the primary disadvantage of using glutaraldehyde as a disinfectant?

11 / 27

What is the recommended soaking time for sterilization or killing spores with glutaraldehyde?

12 / 27

Which of the following disinfectants can be used as a sterilant at the right concentrations?

13 / 27

What does the term "wet contact" mean in the context of disinfection?

14 / 27

Which of the following is NOT a disadvantage of Ortho-Phthalaldehyde (OPA)?

15 / 27

What is the Minimum Effective Concentration (MEC)?

16 / 27

Which of the following is NOT an advantage of glutathione as a disinfectant?

17 / 27

How often should the concentration of glutaraldehyde in the solution be tested with test strips during its recommended reuse period?

18 / 27

How does alkylation, a method used by glutaraldehyde, affect the cells of microorganisms?

19 / 27

Which of the following precautions should be taken when using glutaraldehyde?

20 / 27

What is the main advantage of using glutaraldehyde as a high-level disinfectant?

21 / 27

Which of the following is NOT a use for chlorine?

22 / 27

What is the primary disadvantage of using chlorine as a disinfectant for metal instruments?

23 / 27

What is the main reason why chlorine is not considered a disinfectant of choice for CS departments?

24 / 27

Which of the following disinfectants has a long history of use and was used by Dr. Joseph Lister to develop aseptic surgical techniques in the 1800s?

25 / 27

According to the information provided, what is a disadvantage of using alcohol as a disinfectant?

26 / 27

Which of the following disinfectants is a low-level disinfectant and has built-in detergent properties?

27 / 27

Which disinfection level is adequate for semi-critical items?

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