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Which nerve extends to the ear and the area from the top of the head to the temple?

  1. Auriculo temporal nerve

  2. Zygomatic nerve

  3. Facial nerve

  4. Cervical

The correct answer is: Facial nerve

The auriculo temporal nerve (A) is a branch of the mandibular division of the trigeminal nerve and supplies sensation to the skin over the temporal region of the head. The zygomatic nerve (B) is a branch of the maxillary division of the trigeminal nerve and supplies sensation to the skin over the cheekbone area. The cervical nerve (D) is not involved in innervating the ear or the top of the head to the temple. The correct answer, the facial nerve (C), is responsible for innervating the ear, as well as the skin over the top of the head to the temple. It is also responsible for controlling facial expression muscles.