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.