This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuro-Ophthalmology, Subject name: Ophthalmology
[{'content': 'All of the following statement are true about oculomotor nerve EXCEPT: \nSelect and explain. \nA. Supplies extrinsic ocular muscles, B. Its nucleus is located in lower midbrain, C. Its nucleus is located in upper midbrain, D. Palsy may lead to ptosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Its nucleus located in lower midbrainRef: A.K. Khurana 6th ed. / 7-8* Location of CN III (occulomotor nerve) nucleus is upper midbrain* Location of CN IV (trochlear nerve) nucleus is in the lower mid-brain.CN, their Respective Nucleus Location and their FunctionCranial NerveNucleus LocationFunctionOculomotor IIIUpper midbrainEyeball movements: extrinsic ocular musclesTrochlear IVLower midbrainEyeball movements: extrinsic ocular musclesAbducens VIPonsEyeball movements: extrinsic ocular musclesHypoglossal XIIMedullaTongue muscles and movements', 'role': 'assistant'}]