One way to help a person who is choking is to perform:

The Heimlich Maneuver uses abdominal thrusts to help dislodge an object blocking a choking person's airway. CPR is used when someone is unresponsive and not breathing normally, so “all of the above” is not the best answer. The correct choice is the Heimlich Maneuver.

AI-written and checked against the verified answer.