One Hour After Admission to the Postanesthesia Care Unit (PACU),the

One hour after admission to the postanesthesia care unit (PACU) ,the postoperative client has become very restless.What is the nurse's first action?

A) Assess for bladder distention.
B) Assess the oxygen saturation level.
C) Call the surgeon to assess the client.
D) Administer pain medication as ordered.