This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autonomic nervous system, Subject name: Pharmacology
Salbutamol is preferred over adrenaline in an asthmatic due to: 
Select and explain. 
A. Sho acting, B. Adverse effects of adranaline, C. Safer, D. None
B: Adverse effects of adranaline
Answer: B: Adverse effects of adranaline 
Explanation: Ans: B Salbutamol is more selective in its action- acts on beta 2 receptors on brochus adrenaline acts on all alpha and beta receptors