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
False statement about post-dural puncture headache (PDPH): March 2011 
Select and explain. 
A. 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
D: Headache is relieved in sitting/ standing position
Answer: D: Headache is relieved in sitting/ standing position 
Explanation: 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