A nurse is caring for a 4-year-old child admitted post-surgery who is unable to verbalize their pain. Which pain assessment tool should the nurse prioritize to obtain the most accurate pain measurement?

Use the FLACC scale to observe facial expression, leg movement, activity, cry, and consolability.

Use the Wong-Baker FACES Pain Rating Scale with the child pointing to a face.

Administer the CRIES Scale designed for neonates to measure pain.

Ask the child to rate pain intensity using the Numeric Rating Scale (0-10).