Anatomy Ipsilateral deviation of tongue in 12th nerve palsy is due to – A Unaltered action of ipsilateral genioglossus B Unaltered action of contralateral genioglossus C Action of hyoglossus D Action of lateral pterygoid 💡 Explanation Ipsilateral deviation of tongue in 12th nerve palsy is due to - ✓ Correct Answer: B. Unaltered action of contralateral genioglossus