The nurse is caring for a 10-year-old boy who had an appendectomy 2 days ago. prior to surgery he had expressed that he was worried that after the procedure he would hurt and have lots of pain. the nurse asks the child what his pain level is on a scale of 0 to 10, with 10 being the worst pain. he tells the nurse he has no pain. the most appropriate action by the nurse would be to:
