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: Anaesthesia
This is used in treatment of 
Select and explain. 
A. Migraine, B. Post dural puncture headache, C. Spondylolisthesis, D. Disc prolapse
B: Post dural puncture headache
Answer: B: Post dural puncture headache 
Explanation: This is autologous epidural blood patch, used in treatment of post dural puncture headache.