The nurse is caring for a 2-year-old in the postoperative period. The pain assessment tool most appropriate for a 2-year-old is the:

Rationale: A. The FLACC (Face, Legs, Activity, Cry, Consolability) Scale is the most appropriate for a 2-year-old because it is an observational tool used to assess pain in young children who are nonverbal or have limited verbal skills. B. The Oucher Scale is used for children aged 3 years and older who can understand number and photo ratings. C. The Faces Numeric Scale requires understanding of numbers, which is typically beyond the cognitive level of a 2-year-old. D. The standard Faces Scale is better suited for children aged 3 and above who can self-report pain using facial expressions.