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: Forensic Medicine
Constricted pupil is seen in all poisoning, except: UPSC 13 
Select and explain. 
A. Paracetamol, B. Opium, C. Phenol, D. OPC
A: Paracetamol
Answer: A: Paracetamol 
Explanation: Ans. Paracetamol