The Patient's Initial Vital Signs Immediately on Return from Surgery

The patient's initial vital signs immediately on return from surgery include: blood pressure (BP) of 140/90; pulse (P) of 80; respirations (R) of 14; and temperature (T) of 98° F.One hour later the vital signs are: BP of 130/84; P of 72; R of 16; and T of 96.8° F.What action should the nurse take next?

A) Add a blanket for warmth to the patient.
B) Notify the charge nurse of a probable hemorrhage.
C) Raise the head of the bed 45 degrees.
D) Document the assessment findings.