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
Fatal dose morphine is: BHU 12 
Select and explain. 
A. 100 mg, B. 200 mg, C. 300 mg, D. 500 mg
B: 200 mg
Answer: B: 200 mg 
Explanation: Ans. 200 mg