The Nurse Is Caring for a Client with Parkinson's Disease

The nurse is caring for a client with Parkinson's disease.Which intervention does the nurse implement to prevent respiratory complications in the client?

A) Keep an oral airway at the bedside.
B) Ensure fluid intake of at least 3 L/day.
C) Teach the client pursed-lip breathing techniques.
D) Maintain the head of the bed at 30 degrees or greater.