CER - Certified Endoscope Reprocessor Work Area Design & Workflow Questions and Answers

Question 1

To best prevent cross-contamination, what is the most critical principle to follow when designing the workflow for an endoscope reprocessing area?

Accepted Answer

Implementing a unidirectional "dirty-to-clean" workflow.

Answer

Ensuring all staff wear the same color scrubs.

Answer

Maximizing the number of sinks in the decontamination area.

Answer

Locating the storage cabinets as close to the procedure room as possible.

Question 2

A new endoscopy suite is being designed. According to AAMI ST91 and CDC recommendations, which of the following is a key requirement for the decontamination (manual cleaning) room's HVAC system?

Accepted Answer

Negative air pressure relative to adjacent areas.

Answer

Positive air pressure relative to adjacent areas.

Answer

At least 25 air exchanges per hour.

Answer

Recirculated air from the clean processing area.

Question 3

An endoscope reprocessing technician notices that the single-room reprocessing area in their small clinic is arranged so that the clean storage cabinet is right next to the sink used for manual cleaning. What is the primary risk associated with this design?

Accepted Answer

It creates a high risk of recontaminating clean scopes with aerosols and splashes.

Answer

It violates fire code regulations.

Answer

It increases the time needed for reprocessing.

Answer

It can lead to ergonomic injuries for staff.

Question 4

Which of the following is a required utility in an endoscope reprocessing work area to ensure staff safety when handling high-level disinfectants?

Accepted Answer

An emergency eyewash station.

Answer

A floor-level drain for large spills.

Answer

A dedicated ice machine.

Answer

A pass-through window to the operating room.

Question 5

According to the AAMI ST91 standard, what is the ideal number of sinks for the decontamination area, and what are their designated purposes?

Accepted Answer

Three sinks: one for leak testing, one for manual cleaning/washing, and one for rinsing.

Answer

One large sink for all steps to save space.

Answer

Two sinks: one for soaking and one for rinsing.

Answer

Four sinks: one for pre-rinse, one for detergent wash, one for final rinse, and one for handwashing.

Question 6

The principle of maintaining a one-way workflow from soiled to clean is designed to prevent:

Accepted Answer

Cross-contamination of reprocessed devices.

Answer

Damage to the endoscope's delicate electronics.

Answer

Delays in endoscope turnaround time.

Answer

Exposure of staff to ergonomic hazards.