Which of the following is one of the Four Commandments of the EMD?

One of the Four Commandments of the Emergency Medical Dispatcher (EMD) is the status of breathing. This commandment is critical because the ability to breathe effectively is essential for life. Assessing a patient's breathing status helps determine the urgency of the situation and guides the dispatcher in prioritizing the response and providing appropriate pre-arrival instructions to the caller.

This focus on breathing is crucial in emergencies, particularly in medical situations where respiratory failure or compromise could lead to rapid deterioration of the patient's condition. The EMD's training emphasizes the importance of recognizing and responding to breathing issues, as this can significantly influence the outcome of an emergency response.

Other options such as medical history, patient's location, and completion of reports are also important in the context of emergency medical dispatch but do not represent the core principles defined by the Four Commandments. Medical history provides background information, location is essential for dispatch logistics, and reports are necessary for documentation but fall outside the direct survival-critical assessments that the Four Commandments prioritize.