Describe the mechanisms of action of drug groups commonly used to treat acute severe asthma.
Common drugs listed were
• Beta 2 agonists salbutamol and adrenaline
• Phosphodiesterase inhibitors
In order to obtain marks for that class of drug the mechanism of action had to be described
e.g. for theophylline; acts as a bronchodilator by inhibiting the breakdown of cyclic AMP and
There were several excellent answers to this question.