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: Anaesthesia
Following group of drugs is not the first line in the management of chronic pain? 
Select and explain. 
A. Opioids, B. Antiepileptics, C. Serotonergic drugs, D. Dopamine antagonist
D: Dopamine antagonist
Answer: D: Dopamine antagonist 
Explanation: Ans. is 'd' i.e., Dopamine antagonist