A nurse is planning care for a child who has cystic fibrosis and a prescription to receive chest physiotherapy (CPT). Which of the following actions should the nurse plan to take?

A. Administering albuterol before CPT helps open the airways, making the physiotherapy more effective. B. Performing CPT immediately after eating can cause discomfort or vomiting; it should be done before meals or 1-2 hours after eating. C. Percussing each lung segment for 15 minutes is excessive; typically, 3-5 minutes per segment is sufficient. D. Vibration is usually performed during expirations, not inspirations, to help loosen secretions.