What cranial nerve gives rise to the primary sensory innervation of the TMJ?
  1. CN V
  2. CN VII
  3. CN VIII
  4. CN IX
Explanation
Answer: A - The auriculotemporal nerve is a branch of CN V3. It conducts the primary innervation to the TMJ. It transmits pain within the capsule and also provides parasympathetics to the parotid gland.
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