A patient with a pleural friction rub has presented to the emergency room. Upon initial assessment, the nurse is aware that a pleural friction rub is best heard:
A) Over the lower lateral anterior surface of the thorax
B) Over the upper medial posterior surface of the thorax
C) Over the trachea
D) Over the mediastinum
Ans: A
Feedback: A pleural friction rub is best heard over the lower lateral anterior surface of the thorax. Auscultation over the trachea or mediastinum will not allow the nurse to hear the crackles related to this condition. Auscultation over the posterior surface of the thorax may result in the auscultation of crackles, but it is not the best site to hear the friction rub.
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