This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: COPD and Asthma, Subject name: Medicine
All of the following are useful for treating acute bronchial asthma in children except? 
Select and explain. 
A. 100% Oxygen, B. Hydrocoisone, C. Salbutamol, D. Sodium Cromoglycate inhalation
D: Sodium Cromoglycate inhalation
Answer: D: Sodium Cromoglycate inhalation 
Explanation: Cromolyn sodium inhibits the release of histamine, leukotrienes and other mediators from sensitised mast cells exposed to specific antigens. It has no intrinsic anti-inflammatory, antihistamine, or vasoconstrictive effects.