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': 'Cranial nerve not involved in spinal anaesthesia – \nSelect and explain. \nA. 1st and 10th, B. 3rd and 6th, C. 2nd and 4th, D. 7th and 8th', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All cranial nerves except 1st, 9th & 10th can be involved after spinal anesthesia. Most commonly (90%) 6th nerve is involved.', 'role': 'assistant'}]