How does OSHA's definition of universal precautions impact workplace safety?

The correct choice highlights that OSHA's definition of universal precautions encourages the assumption that all blood and body fluids may be infectious. This principle is fundamental to workplace safety, particularly in healthcare settings and environments where employees may come into contact with bodily fluids. By treating all blood and body fluids as potentially infectious, workers are more vigilant and better prepared to prevent the spread of infectious diseases.

This approach underscores the importance of using appropriate personal protective equipment (PPE), such as gloves and masks, and implementing strict hygiene practices regardless of an individual's known health status. By fostering this mindset, universal precautions significantly enhance workplace safety, as they minimize the risk of exposure to harmful pathogens that could result from careless assumptions about a person’s health or the nature of their fluids.

In contrast, other options do not fully capture the essence of universal precautions. High safety standards for equipment alone do not encompass the broader scope of protective measures mandated by universal precautions. Limiting the testing of PPE or establishing guidelines that are voluntary would fail to create the necessary mandatory standards that ensure all workers are adequately protected in potentially hazardous situations.