American Red Cross (ARC) Lifeguarding Practice Test 2026 - Free Lifeguard Certification Practice Questions and Study Guide

In two-person CPR for a child, you work in a 15:2 cycle with the rescuers sharing tasks. One rescuer keeps delivering chest compressions while the other delivers two breaths, then they swap roles to keep the compressions high-quality and the ventilation continuous. This approach preserves circulation and oxygen delivery better than a single rescuer doing both, and it avoids the longer pauses in chest compressions that would happen with other ratios like 30:2 or 5:1. It also reduces fatigue, helping maintain the correct compression depth and rate throughout the effort.