FREE CIS IAHCSMM Questions and Answers

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Aluminum items should be cleaned:

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When cleaning aluminum items, it is recommended to use a to and fro motion with the grain. This means moving the cleaning tool back and forth in the direction of the grain or pattern on the surface of the aluminum. This method helps to prevent scratching or damaging the aluminum and ensures a thorough and effective cleaning. Using a circular motion or a stiff metal brush can potentially cause scratches or other damage to the aluminum surface.
Using a water spray alone may not be sufficient to remove dirt and grime from the surface.

Why is it important to follow the manufacturer's instructions for use (IFU) when cleaning and decontaminating instruments?

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Following the IFU is crucial for compliance, maintaining instrument longevity, and ensuring effective cleaning.

The use of heat to kill microorganisms, except spores.

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Thermal disinfection refers to the use of heat to kill microorganisms, except for spores. This process involves subjecting objects or surfaces to high temperatures for a specific period of time to effectively eliminate or reduce the number of harmful bacteria, viruses, and other pathogens.
While sterilization is a more comprehensive process that aims to kill all forms of microorganisms, including spores, thermal disinfection is a less intense method that focuses on eliminating most microorganisms but may not be effective against spores.

What is the role of a biological indicator in the decontamination process?

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Biological indicators contain spores that test whether the sterilization process is effective in killing all microorganisms.

What is the recommended method for inspecting instruments after cleaning but before sterilization?

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Visual inspection under magnification ensures that no debris or residues remain on the instruments.

Which of the following practices should be avoided during the decontamination process?

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Overloading cleaning machines can prevent effective cleaning by reducing the exposure of instruments to cleaning agents and mechanical action.

Detergents used in mechanical cleaners should be:

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Detergents used in mechanical cleaners should be low foaming because excessive foam can interfere with the cleaning process and cause issues such as reduced cleaning efficiency, overflow, and damage to the equipment. Low foaming detergents ensure that the cleaning solution can effectively reach the surfaces being cleaned without creating excessive foam.
This allows for better contact between the detergent and the dirt or stains, resulting in more effective cleaning. Additionally, low foaming detergents are easier to rinse off, leaving behind minimal residue.

Which of the following PPE (Personal Protective Equipment) is essential for a Certified Instrument Specialist during decontamination?

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Safety goggles, gloves, and a lab coat are essential to protect the specialist from exposure to contaminants and cleaning agents.

Powered surgical instruments:

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Powered surgical instruments cannot be immersed because they contain electrical components that can be damaged by water. Immersion can cause short circuits, corrosion, and other damage to the instrument. Therefore, it is important to clean these instruments using alternative methods that do not involve submerging them in water.

How often should cleaning equipment, such as ultrasonic cleaners and washer-disinfectors, be validated for proper functioning?

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Equipment should be validated daily to ensure it is functioning properly and effectively cleaning instruments.

The use of heat to kill all microorganisms, except spores, is called:

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Thermal disinfection is the use of heat to kill all microorganisms, except spores. This process involves exposing the objects or surfaces to high temperatures for a specific period of time, which effectively destroys most types of bacteria, viruses, and fungi. However, spores, which are highly resistant to heat, may survive this process.
Therefore, thermal disinfection is not as effective as sterilization, which eliminates all microorganisms, including spores. High-level disinfection refers to the process of killing all microorganisms, including some spores, while mechanical disinfection is not a recognized term in the context of microbial control.

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