This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spinal, Epidural, & Caudal Blocks, Subject name: Anaesthesia
[{'content': 'Most common complication seen after Block 2 is \nSelect and explain. \nA. Bradycardia, B. Hypotension, C. Nausea, D. Anxiety', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Hypotension (Block 2 is Spinal block)', 'role': 'assistant'}]