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
[{'content': 'False statement about post-dural puncture headache (PDPH): March 2011 \nSelect and explain. \nA. Breech of dura, B. Onset of headache is usually 12-72 hours following procedure, C. Commonly occipito-frontal in location, D. Headache is relieved in sitting/ standing position', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: Headache is relieved in sitting/ standing position Post spinal headache usually presents after 12-24 hours (corresponds to time when the patient stas sitting after operation) PDPH: It occurs due to low CSF pressure/CSF leak Last 7-10 days "Sprottee needle/Whitcare needle" reduces risk of PDPH', 'role': 'assistant'}]