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The use of surface barriers on surfaces and equipment can prevent contamination of contact areas; to make this possible surface barriers should be___

User Lavinia
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Final answer:

Surface barriers, whether antimicrobial coatings or regular disinfection, are crucial in preventing microbial contamination on contact surfaces in both healthcare settings and aseptic techniques. These barriers complement the body's natural defenses such as skin, mucous secretions, and beneficial microorganisms.

Step-by-step explanation:

The use of surface barriers on surfaces and equipment can prevent contamination of contact areas; to make this possible, surface barriers should be antimicrobial or disinfected. In healthcare settings, surfaces such as doorknobs are often coated with antimicrobial substances or are regularly disinfected to prevent the transmission of microbes. Moreover, aseptic techniques in microbiology emphasize the necessity of considering every touched surface and the surrounding air as potentially contaminated, underscoring the importance of steps to minimize exposure and prevent contamination of cultures. It's also important to recognize that physical and chemical barriers such as skin acidity, beneficial microorganisms, and desiccation play critical roles in defending against pathogens. Protected by these barriers, the body's regions not covered by skin including eyes and mucous membranes have alternative defenses, such as tears, mucus, and cilia that help clean away pathogens.

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