A worker on a construction site witnesses a coworker collapse suddenly, showing no signs of life. The worker calls for help and confirms the scene is safe. What is the immediate first aid priority to address the collapsed coworker?

Question: A worker on a construction site witnesses a coworker collapse suddenly, showing no signs of life. The worker calls for help and confirms the scene is safe. What is the immediate first aid priority to address the collapsed coworker?

Answer options: ✅ Begin chest compressions and rescue breaths (CPR) immediately.

• Check for a medical alert bracelet or identification.
• Administer an automated external defibrillator (AED) if available.
• Try to rouse the person by shouting and shaking them gently.

Correct answer: Begin chest compressions and rescue breaths (CPR) immediately.

Explanation: If a person collapses, is unresponsive, and not breathing/only gasping, immediate CPR is the priority after ensuring scene safety and calling for emergency help. Early high-quality CPR significantly improves survival chances. Canadian Red Cross and Heart & Stroke Foundation guidelines support this.