This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': 'Complication of spinal anaesthesia are all EXCEPT \nSelect and explain. \nA. Hypotension, B. Tachycardia, C. Bradycardia, D. Headache', 'role': 'user'}, {'content': "Answer: B \nExplanation: (Tachycardia) (506-17- Lee's 13th) (360- KDT6th)Complication of Spinal Anaesthesia* Bezold - Jarisch reflex - Characterised by bradycardia, vasodilation and hypotension* Post spinal headache - is due to seepage of CSF** - can be minimised by using small bone needle* Respiratory muscle paralysis is rare* Cauda - equina syndrome* Septic meningitis* Nausea & vomiting , urinary retension* Hypotension is the most common complication (Intra-operative)", 'role': 'assistant'}]