A nurse is providing education to a school-age child who has a new diagnosis of asthma. Which of the following statements should the nurse include in the teaching?

A. Cromolyn sodium is a preventive medication and should be taken regularly as prescribed, not at the first sign of breathing difficulty. B. Avoiding triggers that cause an asthma attack is crucial in asthma management and helps in preventing exacerbations. C. Exercise can be managed in asthma with appropriate medication; it is not necessary to stop activities like basketball. Swimming may be less likely to trigger asthma symptoms but is not a blanket solution. D. The peak expiratory flow meter should be used regularly, often daily, to monitor asthma control, not just once per week.