A nurse is providing teaching to the guardian of a school-age child who has acute diarrhea. Which of the following instructions should the nurse include in the teaching?

Provide the child with a bananas, rice, applesauce, and toast (BRAT) diet.

Provide chicken or beef broth until the diarrhea subsides.

Encourage intake of carbonated beverages diluted with water.

Administer oral rehydration solution after each diarrheal stool.