What does blood splashing into an EMT's eyes exemplify?

Blood splashing into an EMT's eyes exemplifies exposure. In this context, exposure refers to the interaction between a person and a potentially infectious biological substance. When blood comes into contact with an EMT's mucous membranes, such as the eyes, it indicates that the EMT has been directly exposed to bodily fluids that may carry pathogens. Such exposure raises concerns about the transmission of diseases and underscores the importance of following proper infection control protocols and using personal protective equipment (PPE) to minimize risk.

Indirect contact, on the other hand, typically involves touching contaminated surfaces or objects rather than direct exposure to blood or bodily fluids. Transmission deals with the actual spread of infectious agents, which may or may not occur following exposure. Infection refers to the establishment of a pathogenic organism within the body, which is not guaranteed simply from exposure. Thus, the correct choice emphasizes the critical concept of exposure in the context of EMT safety and infection control practices.