Pharmacology Theophylline given for bronchial asthma acts by inhibiting phophodiesterose enzyme. It also acts by inhibiting: A Lipoxygenase enzyme B Adenosine receptors C Histamine receptors D Monoamine oxidase enzyme 💡 Explanation Theophylline given for bronchial asthma acts by inhibiting phophodiesterose enzyme. It also acts by inhibiting: ✓ Correct Answer: B. Adenosine receptors