An older infant who has been injured in an automobile accident is to wear a splint on the injured leg. The mother reports that the infant has become mobile even while wearing the splint. The nurse should advise the mother to do which of the following?

A Notify the physician immediately to adjust the treatment plan. D Remove any unsafe items from the area in which the infant is mobile. C Keep the infant in the splint at night, removing it during the day. B Confine the infant to one room in the apartment.