Problem: The nurse providing instructions to the client using an incentive spirometer tells the client to sustain the inhaled breath for 3 seconds. When the client asks the nurse about the rationale for this action, the nurse explains that the primary benefit is to: Group of answer choices Enhance ciliary action in the tracheobronchial tree. Dilate the major bronchi. Increase surfactant production. Maintain inflation of the alveoli. Need Assignment Help?