The child diagnosed with reactive airway disease is prescribed a cromolyn inhaler. The mother asks the nurse to explain how this medication helps control her child’s asthma. Which statement is the...

The child diagnosed with reactive airway disease is prescribed a cromolyn inhaler. The mother asks the nurse to explain how this medication helps control her child’s asthma. Which statement is the best explanation to give to the mother?

 1. This medication diminishes the mediator action of leukotrienes. 2. This medication blocks the release of mast cell mediators. 3. This medication causes relaxation of the bronchial smooth muscle. 4. This medication decreases bronchial airway inflammation.