This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
Tuohy's needle is used for 
Select and explain. 
A. Spinal block, B. Epidural block, C. Saddle block, D. Brachial plexus block
B: Epidural block
Answer: B: Epidural block 
Explanation: Tuohy's needle used for epidural anaesthesia has blunt bevel with 15 to 30 curve at tip.