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First Aid & CPR Practice · Question

The compression-to-ventilation ratio for one-rescuer adult CPR is:

For a single rescuer the ratio is 30 compressions to 2 breaths in adults, children, and infants.

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Question: The compression-to-ventilation ratio for one-rescuer adult CPR is:

Answer options:

  • 15:2 ✅ 30:2
  • 5:1
  • 10:2

Correct answer: 30:2

Explanation: For a single rescuer the ratio is 30 compressions to 2 breaths in adults, children, and infants.

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