Which of the following findings would indicate normal lung function during a breath sounds assessment?

The presence of normal lung function during a breath sounds assessment is indicated by the absence of wheezing. Wheezing is characterized by high-pitched sounds produced during breathing, often associated with airway obstruction or constriction, which suggests that the airways are not functioning properly. Therefore, when wheezing is absent, it implies that the airways are clear, allowing for normal air passage and therefore normal lung function.

In contrast, the other findings in the options point toward potential abnormalities. The presence of murmurs is typically associated with cardiovascular issues, not directly related to lung function. Unilateral dullness upon percussion could indicate fluid or consolidation in the lung on one side, suggesting an abnormality such as pleural effusion or pneumonia. Adventitious sounds, such as crackles or stridor, indicate the presence of abnormal lung conditions such as fluid or obstructions, which are also not indicative of normal lung function. Each of these findings suggests potential pathologies that compromise respiratory health, emphasizing that the absence of wheezing is a critical indicator of normal lung function.