How should the nurse preparing to perform postural drainage ascertain the best position to facilitate clearing the lungs?
A) Inspection of lung expansion
B) Chest x-ray
C) Arterial blood gas (ABG) levels
D) Auscultation of lung fields
Ans: D
Feedback: Lung sounds should be auscultated before doing postural drainage to determine the areas that need draining. Inspection, chest x-rays, and ABG levels are all assessment parameters that give good information about respiratory function, but these tests aren't necessary to determine lung areas requiring postural drainage.
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