A nurse is reviewing the admission prescriptions for a 6-year-old child who has cystic fibrosis. For which of the following prescriptions should the nurse contact the child's provider?

Administer water-miscible vitamins A, D, E, and K.

Perform airway clearance therapy prior to bronchodilator medications.

Encourage intake of a high-calorie, high-protein diet.

Use the airway clearance therapy device every 2 hr while awake.