A nurse is providing teaching to the parent of a school-age child who has diabetes mellitus about managing diabetes during illness. Which of the following statements by the parent indicates an understanding of the teaching?

"I will monitor my child's blood glucose levels every 8 hours."

"I will increase the amount of fluids I offer my child."

"I will offer my child 20 grams of carbohydrates every 2 hours."

"I will withhold my child's dose of insulin when his appetite is poor."