Written Lifeguarding Practice Test

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Which of the following is the correct compression-to-ventilation ratio for adult CPR when two rescuers are present?

15:1

15:2

30:1

30:2

The correct compression-to-ventilation ratio for adult CPR when two rescuers are present is 30:2. This ratio means that the rescuers will perform 30 chest compressions followed by 2 rescue breaths. This guideline ensures that there is a consistent and effective rhythm of compressions, which is crucial for maintaining blood circulation to vital organs during cardiac arrest.

By using the 30:2 ratio, the focus remains on high-quality compressions, which play a significant role in the success of resuscitation efforts. The two rescuers can rotate roles to prevent fatigue and maintain optimal performance during the CPR process. This method aligns with current guidelines and training to maximize the chances of survival in an adult who experiences a cardiac event.

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