Medical Device Cleaning Methods Quiz

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?

To choose the appropriate decontamination method for effective disinfection. Signup and view all the answers

What is the first step in decontamination process?

Cleaning. Signup and view all the answers

How does ineffective decontamination of medical devices contribute to HAIs?

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

Describe the two-sink method for manual cleaning.

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

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

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

Why is automated cleaning in an automated washer disinfector preferred?

It provides a more standardized and controlled cleaning process. Signup and view all the answers

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

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

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

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

What does 'high-level' disinfection refer to?

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

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

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

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

To remove disinfectant residues Signup and view all the answers

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

Sterilization by heat resistance Signup and view all the answers

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

Sterilization by heat resistance Signup and view all the answers

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

To achieve optimal temperature Signup and view all the answers

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

For even distribution of heat Signup and view all the answers