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
Which of the following is not done in case of obstructed inguinal hernia - 
Select and explain. 
A. Aspiration of the sac for diagnosis, B. X-ray abdomen, C. USG abdomen, D. All
D: All
Answer: D: All 
Explanation: Ans. is 'a' i.e. Aspiration of the sac for diagnosis; 'b' i.e. X-ray abdomen; 'c' i.e. USG-abdomen