ul. What is the purpone of postbochodilo petry What are the characteristics of asthmat What are five examples of allergens that may asthma attack What are five examples of environmental iritants, activities, or events that may be the 45. What happens to the bronchial tubes during an asthma attack? 46. What is the purpose of long-term-control asthma medication! 47. What is the purpose of quick-relief asthma medication? 48. What is the purpose of a peak flow meter? 49. What is the difference between a low-range and full-range peak flow meter? 50. What is the purpose of peak flow measurements?