CBIC Environmental Cleaning 2

Question 1

Which EPA registration category must a disinfectant meet to be considered appropriate for use on a C. difficile-contaminated surface?

Accepted Answer

Sporicidal disinfectant

Answer

C. difficile forms spores that are resistant to most disinfectants; only EPA-registered sporicidal agents (such as bleach-based products) are effective.

Question 2

When cleaning a patient room after discharge, what is the correct sequence of surfaces to clean?

Accepted Answer

High-touch surfaces first, then bed, then floor

Answer

High-touch surfaces should be cleaned first using a top-to-bottom, clean-to-dirty approach, ending with the floor.

Question 3

The term 'contact time' (dwell time) as it relates to disinfectants refers to:

Accepted Answer

Duration the surface must remain visibly wet for efficacy

Answer

Contact time is the minimum period the surface must remain visibly wet with disinfectant to achieve the labeled level of microbial kill.

Question 4

Which of the following is classified as a non-critical surface in Spaulding's classification scheme?

Accepted Answer

Bedside tables and over-bed tables

Answer

Non-critical surfaces (housekeeping surfaces) such as bedside tables contact intact skin and require low-level disinfection.

Question 5

An ICP observes that EVS staff are using the same mop head throughout an entire unit without replacement. The PRIMARY concern is:

Accepted Answer

Cross-contamination of pathogens between patient rooms

Answer

Reusing mop heads without laundering between rooms can transfer pathogens room-to-room, increasing HAI risk.

CBIC - Certification Board of Infection Control Practice Test

CBIC - Certification Board of Infection Control Practice Test

CBIC Environmental Cleaning 2