Environmental Cleaning and Disinfection Quiz

1. Which of the following are core principles of effective cleaning?

Directionality (clean-to-dirty, top-to-bottom)
Friction (mechanical action in cleaning)
Systematic Approach (consistent path)
Strict PPE protocols
Extended dwell time for disinfectants

2. Which of the following are examples of cleaning agents mentioned in the lecture?

Detergents
Enzymatic Cleaners
Microfiber Cloths
Disposable Wipes
Bleach solutions

3. Which statements accurately describe the Spaulding Classification for medical devices and surfaces?

Critical items require sterilization.
Semi-critical items require high-level disinfection.
Non-critical items require low- or intermediate-level disinfection.
All items can be disinfected with the same agent.
Disinfection eliminates all forms of microorganisms.

4. Which of the following are methods used for monitoring cleaning effectiveness?

Visual Inspection
Fluorescent Markers
ATP Bioluminescence
Microbiological Methods (swabbing/contact plates)
Employee Self-Assessment

5. Which of the following statements about disinfection practices are true?

Cleaning must always precede disinfection.
Contact time is critical for disinfectant efficacy.
Dilution does not affect disinfectant efficacy.
Disinfection eliminates all forms of pathogens including spores.
Use of sporicidal products is sometimes essential.