Richard is a 75-year-old male patient being treated by physical therapy. In educating a patient with chronic obstructive pulmonary disease (COPD) about managing exacerbations at home, what advice should the physical therapist emphasize as MOST important?
A. Use of an incentive spirometer every 2 hours while awake.
B. Maintenance of a high-protein, low-carbohydrate diet.
C. Participation in daily, moderate-intensity aerobic exercise.
D. Keeping the home environment well-ventilated and free of irritants.
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