IAN Origin — NDEB AFK MCQ
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Correct answer: D — Mandibular (V3)
The inferior alveolar nerve is a branch of the posterior division of the mandibular nerve (V3), which is the third division of the trigeminal nerve (CN V). V3 is the only division that carries both sensory and motor fibres. Other branches of V3 include the lingual, buccal, auriculotemporal, and mylohyoid nerves, as well as motor branches to the muscles of mastication.
Reference: Moore – Clinically Oriented Anatomy, 9th ed., 2019