CPR is performed on a person whose heart or lungs have stopped.

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Multiple Choice

CPR is performed on a person whose heart or lungs have stopped.

Explanation:
When the heart or lungs have stopped, CPR is done to keep blood circulating and oxygen reaching the brain and other vital organs until the heart can restart or advanced care arrives. Because every moment without circulation increases the risk of brain damage and death, starting CPR immediately—without waiting for rescue workers—is essential. It can be performed by bystanders or caregivers, not just by trained professionals, and you should begin right away if the person is unresponsive and not breathing normally. This is why performing CPR as soon as possible is the best approach.

When the heart or lungs have stopped, CPR is done to keep blood circulating and oxygen reaching the brain and other vital organs until the heart can restart or advanced care arrives. Because every moment without circulation increases the risk of brain damage and death, starting CPR immediately—without waiting for rescue workers—is essential. It can be performed by bystanders or caregivers, not just by trained professionals, and you should begin right away if the person is unresponsive and not breathing normally. This is why performing CPR as soon as possible is the best approach.

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