This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pediatrics
[{'content': 'Most common mode of treatment of a 1 year old child with asthma is \nSelect and explain. \nA. Inhaled sho acting beta 2 agonist, B. Oral sho acting theophylline, C. Oral ketotifen, D. Leukotriene agonist', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The pharmacological therapy of bronchial asthma involves use of drugs that relax smooth muscle and dilates the airways and drugs that decrease inflammation and there by prevent exacerbations. The commonly used bronchodilators are adrenaline,terbutaline and salbutamol.Terbutaline and salbutamol are specific beta 2 agonists and therefore less cardiac side effects. Ref : Essential paediatrics,O.P.Ghai,7 th edition ,pg no:361', 'role': 'assistant'}]