Q: You arrive at the scene of an incident where a motorcyclist is lying in the middle of the road and unconscious. What's the first thing you should do?
        
        
            
                Correct answer:
                
                    Warn other traffic
                
             
        
            
                Explanation
            
            
                At the scene of an incident, the first priority is to prevent any further collisions by warning traffic. You can warn other traffic by switching on hazard warning lights or displaying an advance warning triangle, or by any other appropriate means.