A nurse is caring for a client who is postoperative. When helping to manage the client's pain, which of the following principles should the nurse apply? (Select all that apply.)

B Consider the client's individual expression of pain. E Administer opioids with caution because they will eventually lead to addiction. D Use a scale from 0 to 10 to monitor the severity of the client's pain. C Expect the client to express his pain both verbally and nonverbally. A To achieve fast-acting pain relief, administer analgesics PO.