Medical Device Reprocessing Association of Ontario (MDRAO) Practice Exam

In terms of cleaning protocols, what should be used for vacuuming sterile areas?

1. A vacuum cleaner with standard filters

2. A vacuum cleaner equipped with HEPA filters

3. Any vacuum cleaner available

4. Only carpet cleaners

The correct answer is: A vacuum cleaner equipped with HEPA filters

Using a vacuum cleaner equipped with HEPA filters for vacuuming sterile areas is essential because HEPA (High-Efficiency Particulate Air) filters are designed to trap very small particles that could contain contaminants, including bacteria, viruses, and allergens. In environments that require sterile conditions, such as surgical or procedure rooms, maintaining a high level of cleanliness is critical to prevent any risk of infection or contamination. HEPA filters can capture particles as small as 0.3 microns with an efficiency of 99.97%, making them significantly more effective than standard filters that do not have the same level of filtration capability. This is particularly important in healthcare settings, where the presence of pathogens on surfaces can pose serious risks to patient safety. On the other hand, using a vacuum cleaner with standard filters or any vacuum cleaner available may not sufficiently reduce airborne contaminants, which could lead to a compromised sterile environment. Carpet cleaners, while useful for maintaining carpeted areas, are not suitable for vacuuming sterile areas because their design and filtration systems are not optimal for maintaining the cleanliness needed in those environments. Therefore, employing a vacuum cleaner equipped with HEPA filters is the best practice to ensure the utmost cleanliness and safety in sterile areas.