A 45-year-old client is 1 day postoperative following an open cholecystectomy. The client reports severe abdominal pain rated 10 out of 10, stating, "The pain is unbearable." The nurse reviews the provider's medication orders: Acetaminophen (Tylenol) 650 mg PO every 6 hours as needed for mild pain Hydrocodone/acetaminophen (Norco) 5 mg/325 mg PO every 4 hours as needed for severe pain Ibuprofen (Motrin) 400 mg PO every 6 hours as needed for moderate pain Based on the client's pain level, which medication should the nurse administer?