A 43 year old male presented with a mass in the submandibular region. After USG and Biopsy he was diagnosed of having acinic cell carcinoma.After staging excision was attempted. Following the surgery he found that his tongue deted to the affected side. Which of the following nerves could be damaged
Answer- C. Hypoglossal nerveIniury to hypoglossal (12th) nerve paralyzes ipsilateral half of the tongue.When tongue is protruded, its tip detes towards the paralyzed side because of unopposed action of geniogloxus muscle on the normal side of tongue.
Lingual nerve
Auriculotemporal nerve
Hypoglossal nerve
Facial Nerve