A nurse is providing discharge teaching to the parents of a toddler who has cystic fibrosis. Which of the following instructions should the nurse include?

A. Nebulized bronchodilators should be administered after airway clearance therapy to open the airways before the therapy. B. Pancreatic enzymes should be administered with meals and snacks, not on an empty stomach, to aid digestion. C. Gluten restriction is not typically required for cystic fibrosis unless the child also has celiac disease. D. Chest percussion and postural drainage should be performed multiple times per day, not just twice.