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
Post spinal headache is due to – 
Select and explain. 
A. Meningitis, B. Encephalitis, C. CSF leak, D. Increased ICT
C: CSF leak
Answer: C: CSF leak 
Explanation: Spinal headache (Post dural puncture headache) is due to CSF leak.