Which symptom indicates proper air exchange is occurring in breathing assistance?

• A. Chest rise and fall
• B. Shallow breaths only
• C. No breath sounds
• D. Gasping with no chest movement

Answer: (A)

When providing breathing assistance, you verify air exchange by looking for visible chest rise and fall. This movement shows air is actually entering the lungs on a breath and leaving on the next, meaning ventilation is occurring. Shallow breaths can mean too little air is getting in, so even if breaths occur, the lungs aren’t being adequately ventilated. No breath sounds might indicate the airway isn’t delivering air at all, which means no exchange is happening. Gasping with no chest movement often signals ineffective effort—air isn’t being moved in and out in a way that would sustain proper ventilation. Seeing the chest rise and fall is the clearest sign that air is being exchanged properly during breathing assistance.