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: Medicine
[{'content': 'Most common nerve involved in intracranial aneurysm is : \nSelect and explain. \nA. Trochlear, B. VII, C. VIII, D. Occulomotor', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Occulomotor nerve): Progressively enlarging unruptured aneurysms most commonly involve the occulomotor nerve. This usually occurs from an expanding aneurysm at junction of post communicating aery and internal carotid aery. Otherwise however, remember : the most common nerve to be involved with raised I.C.T. is the abducent nerve or Vlth cranial nerve" (false localizing sign)', 'role': 'assistant'}]