What action should be taken if a fire alarm sounds during a drill?

When a fire alarm sounds during a drill, the appropriate action is to evacuate immediately to the designated area. This procedure simulates the proper response to a real fire alarm situation and ensures that all participants practice the correct evacuation protocols. By evacuating, individuals familiarize themselves with the escape routes and designated areas, which is crucial for safety in an actual emergency.

While other options may seem plausible, they do not align with best practices for fire safety drills. Calling the fire department or resetting the alarm system could lead to confusion and could potentially waste valuable time in the event of an actual fire. Continuing with the activity undermines the drill's purpose and could put individuals at risk by not preparing them for a real emergency response. Therefore, immediate evacuation is the only correct response to a fire alarm, reinforcing readiness and safety in case of an actual fire incident.