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: Surgery
Treatment of strangulated hernia is ? 
Select and explain. 
A. Observation, B. Immediate surgery, C. Manual reduction, D. Analgesics
B: Immediate surgery
Answer: B: Immediate surgery 
Explanation: Ans. is 'b' i.e., Immediate surgery