Answer:
If someone is having SCA, <em>using an AED</em> and <em>Giving CPR</em> can improve the victim's chance of survival.
Yes they do it is they're sworn duty to help those in need, here's a better example if you were driving by the car crash would you drive past it and stare at those in need or would you go and help the injured person/people in the car wreck.
What/who it effects, what does the path to the outcome look like.
"Well, because without them if you would, for example, accidentally put your hand on a hot stove, your reflex would be to pull away. Without reflexes, the pain will be felt and go to the brain, then the brain will tell the hand to be removed, and then that command will go to the hand, thus removing the hand."
