A nurse is educating a parent of a child who has a high lead level about the importance of foods high in iron and calcium. Which of the following statements by the parent indicates a correct understanding of the nurse's teaching?

"I will give my child more processed foods to increase their iron and calcium intake."

"I will limit my child's consumption of dairy products to increase their iron intake."

"I will make sure my child eats plenty of fruits and vegetables."

"I will encourage my child to drink more soda to increase their calcium intake."