What is one way to ensure good situational awareness during an emergency response?

The correct option emphasizes the importance of constantly scanning the environment as a critical method for ensuring good situational awareness during an emergency response. This practice involves actively observing the surroundings for potential hazards, changes in the situation, or the presence of other responders and bystanders.

Constantly scanning helps responders to react quickly to dynamic situations, assess risks, and make informed decisions that enhance safety for both themselves and the individuals they are assisting. Being aware of visual cues, sounds, and the behaviors of others can provide valuable information that might not be available through verbal communication alone.

In contrast, listening to music would distract from the surrounding environment, while following GPS instructions might not account for on-the-ground conditions that can change rapidly in emergency situations. Maintaining radio silence could hinder communication and limit the sharing of critical information that could aid situational awareness among team members. Thus, constant scanning emerges as the most effective practice for maintaining awareness in high-stress and fluid emergency contexts.