A nurse is providing teaching to an adolescent who has a prescription for cromolyn for the management of asthma. Which of the following statements by the adolescent indicates an understanding of the teaching?

"I use this medication every day, even when I have no symptoms.”.

"I should use this medication as soon as I feel like I am going to start to wheeze.”.

"I will be sure to call the doctor if I don't feel better in a week.”.

"When I know I am going to play softball, I use the medication 2 hours before I start.”.