Western Maricopa Education Center (West-MEC) RMA-AMT Module 3 Practice Test

Breathing is what the B stands for in CPR—the step where you give rescue breaths to inflate the lungs and move oxygen into the bloodstream. In the traditional order, you open the airway first, then provide breaths, then address circulation (the QRS of CPR). Even with the modern approach that emphasizes chest compressions first, the B step remains the Breathing part: after you’ve established an airway or begun compressions, you deliver breaths to supply oxygen to the body.