A nurse is teaching a child who has type 1 diabetes mellitus about self-care. Which of the following statements by the child indicates understanding of the teaching?

Rationale: A. Feeling irritable can be a sign of hypoglycemia, and drinking a glass of milk (which contains carbohydrates) can help raise blood sugar levels safely. B. Skipping meals can cause blood sugar levels to drop dangerously low; consistent meal intake is important in diabetes management. C. When mixing insulins, regular insulin should be drawn up before NPH insulin to prevent contamination. D. Exercise generally lowers blood glucose, so insulin doses are often adjusted downward or snacks are increased, not insulin increased, before or after activity.