The Nurse Sees an Older Woman with OA and a Low-Grade

The nurse sees an older woman with OA and a low-grade fever.The patient tells the nurse that her pain is changing; it is worse at night and in her shoulder muscles.Which of the following does the nurse perform to prevent complications of this patient's condition?

A) Assess her joints for swelling and redness.
B) Obtain blood specimens for blood cultures.
C) Direct her to report temporal or scalp pain.
D) Tell her to apply moist heat for 20 minutes.