Certified Endoscope Reprocessor (CER) Practice Test 2026 - Free Endoscope Reprocessing Practice Questions and Study Guide

Controlling air flow in the preparation and disinfection area is crucial for maintaining a sterile environment and minimizing the risk of contamination. The correct approach involves ensuring that the flow of air helps to prevent airborne pathogens from settling on sterile surfaces and equipment, thus protecting the integrity of the reprocessing area.

Implementing positive air flow is effective because it maintains a pressure differential that helps keep contaminants from entering the space. Positive air flow works by pushing air outward from the sterilized area, which means that air is forced out, minimizing the risk of outside air carrying potential contaminants. This creates a cleaner environment which is critical in areas where medical equipment is being prepared or disinfected.

The recommended number of positive air flows suggests a robust system in place to ensure sufficient air exchange while maintaining positive pressure. This reinforces the importance of having adequate and properly designed air control mechanisms in place to safeguard against contamination during endoscope reprocessing.

In contrast, other options that involve negative air flows could potentially draw contaminants into the preparation area, resulting in a higher risk of infection or compromise during reprocessing. Thus, utilizing 10 positive air flows is the best strategy for controlling air flow in this specialized environment.