The 22-month-old child is brought to the emergency department with large, blistered burns to both buttocks by his mother’s boyfriend. The mother’s boyfriend states the child has been in his care while the mother is away on a business trip. He reports the child accidentally fell into the bath during the preparation before the water had had a chance to cool. The child’s second-degree wounds are dressed after intravenous morphine is administered. The nurse works with the healthcare team to perform which intervention?