It's a frightening prospect, finding yourself in the middle an emergency.
How would you react? Would you know what to do, or how to treat someone? Would you act decisively, or instinctively?
This week, Insight is looking at the what it's like to be first on the scene of an emergency.
Ahead of the show, take the quiz to see how much help you could provide (and whether it's time to get that First Aid Certificate).
Insight, First on the Scene | Catch up online now: