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
Respiratory center depression is caused by all, except AIIMS 10 
Select and explain. 
A. Opium, B. Strychnine, C. Barbiturates, D. Gelsemium
B: Strychnine
Answer: B: Strychnine 
Explanation: Ans. Strychnine