28 Questions
What is the minimum treatment recommended for reprocessing medical devices that cannot be sterilized?
High-level disinfection
What is the purpose of drying medical devices after reprocessing?
All of the above
What is the recommended method for drying medical devices when a drying cabinet is not available?
Use a clean disposable lint-free, absorbent wipe
What is the minimum treatment recommended for reprocessing non-invasive medical devices for use in non-critical sites?
Low-level disinfection
What is the purpose of the process chemicals used in the wash area of the CSSD?
To affect the cleaning of used surgical devices
What is the consequence of residual moisture on the sterilization process?
It interferes with the sterilization process
What are some hazardous properties that chemicals such as detergents and disinfectants may have?
Corrosive, flammable, irritant
What dangerous gas may be released if bleach and ammonia are mixed together?
Lethal chlorine gas
According to AAMI, what are some of the minimum characteristics of process chemicals?
Low-foaming, free-rinsing, biodegradable
What should be considered when choosing process chemicals for medical devices?
Compatibility with device, decontamination equipment, intended use
How should the dosage of process chemicals or detergent be determined?
By following the manufacturer's instructions and validation during commissioning
What should be done to control process chemicals in terms of handling and storage?
Clearly identify chemicals that should not be stored together
What factors should be considered to ensure water quality is compatible with the cleaning process in a washer-disinfector?
Ionic contaminants and microbial population
Which tests are part of the periodic tests for the washer-disinfector after validation?
Daily spray arm rotation and quarterly safety checks
What does the presence of heavy metals, phosphates, and silicates in water lead to in the context of the cleaning process?
Corrosion of medical devices
Why are routine tests conducted on the decontamination equipment like washer-disinfectors?
To ensure they are still operating within established limits
Which action is NOT part of the weekly periodic tests for the washer-disinfector?
Yearly water hardness check
What is one of the reasons for cleaning spray nozzles in the washer-disinfector during daily tests?
To remove calcium deposits
Which of the following statements about thermal disinfection is correct?
It is achieved using a thermal washer-disinfector by selecting the appropriate cycle.
Which of the following factors does NOT affect the effectiveness of chemical disinfection?
The type of material being disinfected
What is the primary method of disinfection used in endoscopy units?
Chemical disinfection
What is the primary purpose of validating chemical disinfection processes microbiologically?
To ensure all of the above parameters are met for adequate disinfection
Which of the following disinfection methods is considered the simplest and most cost-effective?
Thermal disinfection using a thermal washer-disinfector
What should be done to ensure the safety of staff who handle chemicals?
All of the above
What is the importance of water quality in the cleaning process of reusable medical devices (RMDs)?
Water quality is critical to the successful outcome of the cleaning process, as it is the last thing to make contact with the RMD
Which of the following is NOT a factor that influences the cleaning and disinfection process according to the image?
Temperature of the environment
What is the purpose of the Safety Data Sheets (SDS) and labels mentioned in the text?
To ensure appropriate action can be taken in case of exposure to a hazardous substance
What is the recommended storage height for chemicals according to the text?
Below shoulder height
Learn about the two types of disinfection methods - thermal and chemical. Explore how thermal disinfection can be achieved using a washer-disinfector and the importance of monitoring the temperature for effective microbial kill.
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