A nurse is caring for a newborn delivered by vaginal birth with a vacuum assist. The newborn’s mother asks about the swollen area on her son’s head. After palpation to identify that the swelling crosses the suture line, which of the following is an appropriate response by the nurse?

Choice A rationaleErythema toxicum is a benign rash that does not cause localized swelling or cross suture lines on the newborn's head.Choice B rationaleCephalhematomas are subperiosteal hemorrhages that do not cross suture lines, and they do not cause generalized swelling.Choice C rationaleCaput succedaneum is edema of the newborn's scalp that crosses suture lines, commonly resulting from vacuum-assisted delivery.Choice D rationaleMongolian spots are pigmented birthmarks found on the skin, not associated with swelling or crossing suture lines.