Pharmacology The following statements regarding cromolyn sodium are true except: A It does not relax bronchial smooth muscles. B It can reduce the release of histamine from the mast cells. C It is approved for all ages. D It is ineffective in preventing exercise induced asthma. 💡 Explanation The following statements regarding cromolyn sodium are true except: ✓ Correct Answer: D. It is ineffective in preventing exercise induced asthma.