Advanced Health Assessment Practice Exam 2026 – The Complete All-in-One Guide for Exam Success!

In a healthy adult, the expected finding during lung percussion is resonance. This sound is produced when the normal air-filled lung tissue is struck, resulting in a clear, low-pitched, and hollow sound that indicates the presence of air.

Resonance is an important indicator of normal lung function and health. When percussion is performed, the sound quality and tone provide valuable information about the underlying lung tissue. The presence of resonance suggests that the lungs are adequately filled with air and functioning properly.

In contrast, dullness would indicate the presence of fluid, solid masses, or other pathologies that can fill the pleural space, suggesting some form of abnormality. Tympany, often associated with the presence of air in a hollow organ like the stomach, would not be expected in lung percussion due to the lung's solid structure. Hyperresonance typically indicates increased air volume, which can occur in conditions such as pneumothorax or emphysema. Therefore, the resonance sound aligns with the expectations of a healthy lung assessment.