A 5-year-old with acute kidney injury is admitted with oliguria, edema, and elevated serum BUN and creatinine levels. Place the following nursing interventions into the categories "High Priority" or "Lower Priority."

Offer frequent small meals to promote nutrition

Encourage quiet play and energy conservation

Maintain strict intake and output records

Monitor serum potassium and place child on cardiac monitor

Provide seizure precautions if hyponatremia develops