What is a fundamental assumption of universal precautions in healthcare?

The correct choice emphasizes that every person is considered a potential carrier of an infectious disease, regardless of their visible health status. This fundamental assumption stems from the understanding that many infectious diseases can be asymptomatic, meaning that a person may not show any symptoms while still being capable of transmitting the disease to others.

This principle underlies the practice of universal precautions, which aims to protect healthcare workers and patients by promoting the use of precautions in all healthcare settings. The approach ensures that all individuals are treated with the same level of caution, reducing the risk of infection transmission. By operating on this assumption, healthcare workers are more vigilant and proactive in employing safety measures, such as hand hygiene and the use of personal protective equipment, contributing to a safer healthcare environment for all.