Final answer:
The dog being exposed to infected feces at the local dog park is an example of exposure to pathogens, which are disease-causing microorganisms that can cause infections.
Step-by-step explanation:
The dog being exposed to infected feces at the local dog park is an example of exposure to pathogens. Pathogens are disease-causing microorganisms, such as bacteria or viruses, that can cause infections. In this case, the infected feces may contain harmful bacteria or parasites that can be transmitted to the dog when they come into contact with it. It is important to practice good hygiene and sanitation measures to prevent the spread of pathogens.