This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
All of the following are division of the Vth cranial nerve except 
Select and explain. 
A. Ophthalmic, B. Optic, C. Mandibular, D. Maxillary
B: Optic
Answer: B: Optic 
Explanation: Fifth cranial nerve comprises three branches, two of which are purely sensory and third, the largest branch is mixed nerve. Ophthalmic, the first division carries sensory fibres from the structures derived from frontonasal process. Maxillary, the second division conveys afferent fibres from structures derived from maxillary process. Mandibular, the third mixed division carries sensory fibres derived from mandibular process. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.