What should a flight attendant do if a passenger is unresponsive?

In the event of a passenger being unresponsive, the most appropriate action for a flight attendant to take is to perform first aid measures. This is crucial because first aid helps to assess the immediate medical condition of the passenger and can determine whether they require CPR, the use of an automated external defibrillator (AED), or other urgent medical interventions.

Assessing the situation quickly and providing appropriate aid can be vital in potentially saving the passenger's life. Additionally, performing first aid will guide the flight attendant in determining whether further assistance is needed from other crew members or if the situation requires calling for additional help, like medical professionals.

While shouting for help, checking for emergency supplies, and informing other passengers may be important steps in certain scenarios, their timing and relevance depend on the first response to an unresponsive individual. The priority in such a situation is to assess and stabilize the passenger with immediate first aid actions.