The Nurse Is Caring for a Patient with Frostbite to the Foot

The nurse is caring for a patient with frostbite to the foot. Which intervention should the nurse implement?

A) Vigorously rub the affected area to promote circulation.
B) Apply a tight, wet, and sterile dressing to the affected area.
C) Encourage frequent ambulation.
D) Elevate the foot at or above heart level.