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
Opium poisoning is featured by -a) Constricted pupilb) Respiratory depressionc) Tachycardiad) Tachypneae) Hallucination 
Select and explain. 
A. a, B. b, C. abe, D. ad
C: abe
Answer: C: abe 
Explanation: Constricted pupil, respiratory depression and hallucination are seen in opium poisoning.
There is bradycardia (not tachcardia) and slow breathing (not tachypnea).