A nurse is caring for a hospitalized client at risk for complications of immobility. Which of the following interventions should the nurse include to prevent complications?

Elevate the head of the bed to 30° to 45° for medication administration.

Instruct the client to wear a hospital gown every day, even when out of bed.

Encourage the client to sit in the chair for all meals.

Have the client remain in bed for self-care activities.