The correct answer for this questing is Resonance.
When tapped, healthy lung tissue produces a resonance tone. In situations when air is trapped, such as in emphysema or pneumothorax, hyperresonance is triggered. Areas of increased density, such as consolidation, pleural effusion, or tumors, might be characterized by dullness. Over air-filled areas, such as a puffed-out check or a stomach bubble, tympany is produced.
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