This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
[{'content': 'Mechanism of action of theophylline in Bronchial asthma include all of the following Except ? \nSelect and explain. \nA. Phosphodiesterase inhibition, B. Adenosine receptor antagonism, C. Increased histone deacetylation, D. Beta-2 receptor stimulation', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Beta-2 receptor stimulation Proposed mechanisms of action of theophylline Phosphodiesterase inhibition (Non selective) Adenosine receptor antagonism (A1, A2) Increased histone Deacetylase activity (|red efficacy of coicosteroids) Inhibition of intracellular calcium release Stimulation of catecholamine release Inhibition of NF - alpha Beta translocation into the nucleus (nuclear translocation) Mediator inhibition (Prostaglandins, TNF alpha)", 'role': 'assistant'}]