CMI CMI Restroom Sanitation & Infection Control

Question 1

What is the correct cleaning sequence when sanitizing a public restroom?

Accepted Answer

Top to bottom, clean to dirty

Answer

Bottom to top, dirty to clean

Answer

Left to right only

Answer

Random order based on soiling

Question 2

Which color-coding practice helps prevent cross-contamination in custodial operations?

Accepted Answer

Using different colored cloths for restrooms vs. other areas

Answer

Using the same mop for all areas

Answer

Rinsing equipment between uses only

Answer

Color-coding is not necessary

Question 3

What does 'dwell time' mean when using a disinfectant in a restroom?

Accepted Answer

The time the disinfectant must remain wet on a surface to be effective

Answer

How long it takes to dry

Answer

The shelf life of the product

Answer

How long before rinsing is required

Question 4

Which area of a restroom typically harbors the highest concentration of pathogens?

Accepted Answer

Toilet handle and seat

Answer

Paper towel dispenser

Answer

Mirror

Answer

Ceiling vents

Question 5

What minimum PPE should custodial technicians wear when cleaning restrooms?

Accepted Answer

Disposable gloves and eye protection

Answer

Hard hat and steel-toed boots

Answer

Apron only

Answer

No PPE is required for routine cleaning

Question 6

How should custodial technicians handle a restroom with a bloodborne pathogen spill?

Accepted Answer

Use EPA-registered disinfectant with proper PPE and follow biohazard cleanup protocols

Answer

Clean with regular soap and water

Answer

Leave it for a supervisor to handle

Answer

Use any available cleaning product immediately