In CPR, a rescue breath should last approximately how long?

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Multiple Choice

In CPR, a rescue breath should last approximately how long?

Explanation:
Rescue breaths should last about one second. That brief, steady length is long enough to fill the lungs and make the chest rise, showing air is entering properly, but not so long that you overinflate the lungs or pause compressions too long. Shorter than a second isn’t enough air to ventilate, while longer breaths can push air into the stomach and disrupt the CPR flow. So, approximately one second per breath is the best duration.

Rescue breaths should last about one second. That brief, steady length is long enough to fill the lungs and make the chest rise, showing air is entering properly, but not so long that you overinflate the lungs or pause compressions too long. Shorter than a second isn’t enough air to ventilate, while longer breaths can push air into the stomach and disrupt the CPR flow. So, approximately one second per breath is the best duration.

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