Medical Device Cleaning Methods Quiz
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Questions and Answers

What is the purpose of decontamination?

To remove, inactivate, or destroy pathogenic microorganisms from a surface or item to render it safe for handling, use, or disposal.

What are some common healthcare-associated infections (HAIs) that can result from inadequate decontamination?

Surgical site infections (SSI), hepatitis B and C, HIV infection, urinary and vascular catheter associated infections, and ventilator-associated infection.

What are the three main decontamination methods used?

Cleaning, disinfection, and sterilization.

Why is it important to understand the microorganisms involved in decontamination?

<p>To choose the appropriate decontamination method for effective disinfection.</p> Signup and view all the answers

What is the first step in decontamination process?

<p>Cleaning.</p> Signup and view all the answers

How does ineffective decontamination of medical devices contribute to HAIs?

<p>It can lead to the transmission of infectious particles and cause infections.</p> Signup and view all the answers

Describe the two-sink method for manual cleaning.

<p>The first sink with tap water and detergent for cleaning, the second sink with tap water for rinsing.</p> Signup and view all the answers

What is the purpose of manual cleaning in the context of disinfection methods?

<p>To thoroughly clean medical devices prior to disinfection or sterilization.</p> Signup and view all the answers

Why is automated cleaning in an automated washer disinfector preferred?

<p>It provides a more standardized and controlled cleaning process.</p> Signup and view all the answers

What is the difference between chemical disinfection and heat treatment in terms of microorganism destruction?

<p>Chemical disinfection reduces microorganisms to a non-harmful level, while heat treatment destroys microorganisms, but not necessarily bacterial spores.</p> Signup and view all the answers

When should chemical disinfection be used as a method of disinfection?

<p>When heat treatment is impractical or may cause damage to the equipment.</p> Signup and view all the answers

What does 'high-level' disinfection refer to?

<p>A process using an agent that, under specific circumstances, can destroy bacterial spores.</p> Signup and view all the answers

What are the factors that affect the outcome of a disinfection procedure?

<p>Presence of organic load, type and level of microbial contaminant, concentration of disinfectant, exposure time, physical structure of the object, temperature and pH</p> Signup and view all the answers

Why is rinsing sometimes required before using an item on a patient after disinfection?

<p>To remove disinfectant residues</p> Signup and view all the answers

What is the preferred method for sterilization of heat-resistant items and equipment?

<p>Sterilization by heat resistance</p> Signup and view all the answers

What type of sterilization is achieved by dry-heat methods?

<p>Sterilization by heat resistance</p> Signup and view all the answers

Why is preheating essential before starting the sterilization cycle with hot-air ovens?

<p>To achieve optimal temperature</p> Signup and view all the answers

What is the reason for using a fan in hot-air ovens during dry-heat sterilization?

<p>For even distribution of heat</p> Signup and view all the answers

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