Pharmacology Mechanism of action of Theophylline in Bronchial Asthma include all of the following, EXCEPT: A Phosphodiesterase inhibition B Adenosine Receptor antagonism C Increased Histone Deacteylation D Beta-2 Receptor stimulation 💡 Explanation Mechanism of action of Theophylline in Bronchial Asthma include all of the following, EXCEPT: ✓ Correct Answer: D. Beta-2 Receptor stimulation