Certified Healthcare Safety Professional (CHSP) Practice Exam

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What is the function of a biocide?

To kill harmful organisms
To enhance air filtration systems
To improve building aesthetics
To measure air quality

The correct answer is: To kill harmful organisms

The function of a biocide is specifically to kill harmful organisms. Biocides are chemical substances or microorganisms that deter, render harmless, or exert a controlling effect on harmful organisms, which can include bacteria, viruses, fungi, and other pathogens. They play a crucial role in various environments, including healthcare settings, where controlling the spread of infections and maintaining hygiene are critical to patient safety. While other choices present important elements related to environmental health and facility management, they do not capture the primary purpose of biocides. Enhancing air filtration systems focuses on improving air quality by physically removing contaminants rather than killing them. Improving building aesthetics pertains to the visual and structural aspect of buildings, which is unrelated to the biological functions of biocides. Measuring air quality involves assessing the levels of pollutants or pathogens in the air but does not include any action to kill or control those organisms.