You arrive at the scene of an accident and find someone unconscious. How long should you spend checking to see if they’re breathing?

Explanation: Spend up to 10 seconds checking to see whether a casualty is breaking. Listen for breathing and check their airway is clear. Placing your cheek over their nose and mouth, feel for their break, and look for the rising and falling of their chest. If they don't appear to be breathing, begin chest compressions.

Category: Incidents, accidents and emergencies