A nurse is providing discharge teaching to the parents of a school-age child who has cystic fibrosis. Which of the following responses by the parents indicates an understanding of the teaching?

"I will restrict the amount of sodium in my child's diet."

"I will give my child pancreatic enzymes with snacks and meals."

"I will prepare low-fat meals with limited protein for my child."

"I will limit my child's daily fluid intake."