Certified Instrument Specialist (CIS) Practice Exam 2025 – The All-in-One Guide to Achieving Certification Success!

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What are glutaraldehyde and OPA considered?

Low-level disinfectants

Intermediate disinfectants

High-level disinfectants

Glutaraldehyde and ortho-phthalaldehyde (OPA) are classified as high-level disinfectants due to their effectiveness in killing a wide range of pathogens, including bacteria, viruses, and fungi. They are commonly used for the disinfection of medical and dental instruments that cannot withstand the heat of sterilization processes. High-level disinfectants can achieve sterility on critical items when used correctly, especially when they are applied to items that are heat-sensitive.

The use of glutaraldehyde and OPA is particularly important in healthcare settings, where the prevention of infection is crucial. These substances can be utilized for high-level disinfection in a variety of contexts, making them valuable in maintaining hygiene standards.

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Non-disinfectants

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