What is the nurse listening for during auscultation of the lungs of a patient with a pneumothorax?
a. Presence of crackles or wheezes
b. Evidence of bilateral lung sounds
c. Presence of secretions in the lungs
d. Evidence of obstruction
ANS: B
Lung sounds are absent over a pneumothorax. Return of bilateral sounds signifies that the lung is reinflated. Crackles, wheezes, secretions, or obstruction are concerning but do not provide direct information about pneumothorax.
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