Certification in Infection Prevention and Control (CIC) Practice Exam

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What is the role of HEPA filtration in airborne precautions?

To ensure cleanliness of items
To filter pathogens in the air
To provide sterile water
To maintain humidity levels

The correct answer is: To filter pathogens in the air

The role of HEPA (High-Efficiency Particulate Air) filtration in airborne precautions is primarily to filter pathogens in the air. HEPA filters are designed to trap very small particles, including bacteria and viruses, effectively reducing the concentration of airborne contaminants in the environment. This is particularly important in settings where individuals are at an increased risk of airborne infections, such as healthcare facilities treating patients with infectious diseases. Airborne precautions are utilized to prevent the transmission of infections that are spread through respiratory droplets that can remain suspended in the air for extended periods. By using HEPA filtration systems, healthcare facilities can significantly decrease the amount of airborne pathogens, thereby reducing the risk of infection transmission to both patients and healthcare workers. This makes HEPA filtration an essential component of infection control practices in environments where airborne transmission is a concern.