ATI RN Findings for Chest & Lung Sherpath Complete A GuideQuestion 1 of 24 Which tracing represents the rate and rhythm of normal breath sounds on inspection? 1. A 2. B 3. C 4. D • Normal breath sounds are expected to be regular and at a rate of 12-20 per minute. • Increased difficulty of getting air out is air trapping and is considered an abnormal finding. • Breathing faster than 20 breaths per minute is tachypnea, an abnormal finding. • Breathing slower than 12 breaths per minute is b...