This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroanatomy, Subject name: Anatomy
[{'content': 'Which of the following cranial nerve carries parasympathetic fibers? \nSelect and explain. \nA. CN 1, B. CN 2, C. CN 3, D. CN 4', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. C CN 3Ref: Netter's Atlas of Neurosciences, pg. 265The cranial nerves carrying parasympathetic fibers are 3, 7, 9, 10.Extra Mile* CN having longest intraosseous courseFacial nerve* CN having longest extracranial courselVagus nerve* Thinnest and most slender cranial nerve* Only one to originate from the dorsal surface* Longest intracranial courseTrochlear* Thickest and largest cranial nerve* Largest branch of trigeminal is mandibular nerve.TrigeminalFalse localising sign in raised ICP AbducensLongest intra-osseus course FacialCranial nerve with both motor and sensory cssomponents5,1, 9, 10", 'role': 'assistant'}]