A Patient with Sickle Cell Anemia Is Admitted to the Hospital

A patient with sickle cell anemia is admitted to the hospital with a sickle cell crisis. While caring for the patient during the crisis, it is important for the nurse to

A) limit the patient's intake of oral and IV fluids.
B) evaluate the effectiveness of opioid analgesics.
C) encourage the patient to ambulate as much as tolerated.
D) teach the patient about high-protein, high-calorie foods.