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: Pharmacology
Most common dose related side effects of salbutamol is : 
Select and explain. 
A. Nervousness, B. Palpitations, C. Restlessness, D. Tremors
D: Tremors
Answer: D: Tremors 
Explanation: None