The Postoperative Client Has Been Noting a Steady Decline in the Amount

The postoperative client has been noting a steady decline in the amount of pain experienced over the past week.Today,upon awakening,the pain is far more severe even at rest.Which priority intervention should the nurse perform for this client?

A) Assessing the client fully and notifying the health care provider
B) Explaining to the client that it is not unusual to have a recurrence of severe pain in the rehabilitative phase of recovery
C) Administering stronger opioid analgesics and documenting in the client's medical record
D) Explaining that the extra activity the client has been performing is the cause of the increased discomfort