CBIC Environmental Cleaning 3

Question 1

During an outbreak of norovirus on an inpatient unit, which cleaning product is MOST appropriate for environmental decontamination?

Accepted Answer

Sodium hypochlorite solution

Answer

Norovirus is resistant to many common disinfectants; EPA-registered sodium hypochlorite (bleach) products are highly effective and recommended during outbreaks.

Question 2

Which high-touch surface in a patient room has been consistently identified in studies as most frequently missed during manual cleaning?

Accepted Answer

Call light buttons and TV remotes

Answer

Call light buttons and TV remotes are among the most frequently touched and most often missed objects in patient room cleaning audits.

Question 3

Which cleaning audit method involves applying a fluorescent gel to surfaces before cleaning and checking for removal under UV light?

Accepted Answer

Fluorescent marker method

Answer

The fluorescent marker (gel or lotion) method is a visual audit tool that reveals missed surfaces by detecting residual fluorescent material under UV light after cleaning.

Question 4

A disinfectant label states it requires a 10-minute contact time. The EVS staff sprays the surface and wipes it dry after 30 seconds. This practice:

Accepted Answer

Fails to achieve the labeled level of disinfection

Answer

Wiping the surface before the labeled contact time is met prevents adequate microbial kill, regardless of visual cleanliness.

Question 5

When performing terminal cleaning of an Airborne Infection Isolation Room (AIIR), EVS staff should:

Accepted Answer

Wait for the required air changes to occur before entering

Answer

Staff must wait for the recommended number of air changes per hour (ACH) to clear the room before entering to minimize exposure to airborne pathogens.

CBIC - Certification Board of Infection Control Practice Test

CBIC - Certification Board of Infection Control Practice Test

CBIC Environmental Cleaning 3