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Anatomy & Histology · single question

The greater auricular nerve provides sensory innervation to which area?

  1. The tympanic membrane only
  2. Squamous lower portion of the temporal skin
  3. Skin over the angle of the mandible/parotid and lower (anterior) part of the ear
  4. The floor of the mouth and anterior tongue
Show answer and explanation

Correct answer: C. Skin over the angle of the mandible/parotid and lower (anterior) part of the ear

  • A. Incorrect – the eardrum is supplied by auriculotemporal, vagal (Arnold) and glossopharyngeal branches.
  • B. Incorrect – that area is auriculotemporal/other branches, not greater auricular territory.
  • C. Correct – the greater auricular nerve (C2–C3, cervical plexus) supplies skin over the parotid/angle of mandible and the lower/anterior auricle.
  • D. Incorrect. The floor of mouth and anterior two-thirds of the tongue are supplied by the lingual nerve (V3), not the greater auricular nerve (cervical plexus, C2–C3).

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