When Developing a Plan of Care for a Patient with Syndrome

When developing a plan of care for a patient with syndrome of inappropriate antidiuretic hormone (SIADH) , which interventions will the nurse include?

A) Encourage fluids to 2000 mL/day.
B) Offer patient hard candies to suck on.
C) Monitor for increased peripheral edema.
D) Keep head of bed elevated to 30 degrees.