Final answer:
Wearing gloves when handling potentially infectious materials is a universal precaution intended to prevent exposure to pathogens and spread infection.
Step-by-step explanation:
The description considered a universal precaution would be b) Wearing gloves when handling potentially infectious materials. Universal precautions are infection control guidelines designed to protect workers from exposure to diseases spread by blood and certain body fluids. An example of following such precautions in a health setting includes health-care workers washing hands thoroughly between every patient contact. This practice is critical to preventing exposure to pathogens and the spread of infection. Similarly, in food preparation and safety, regularly washing hands and utensils is essential to avoid foodborne illnesses and cross-contamination.