Tip of tongue drains into -: (A) Occipital lymph node, (B) Submental lymph node, (C) Deep cervical lymph nodes, (D) Tonsillar lymph nodes
Answer is B. Tip of the tongue drains into submental nodes, anterior 2/3 drains into submandibular nodes, and posterior 1/3 into jugulodigastric nodes.
Finally, all lymphatics drain into juguloomohyoid nodes, also known as lymph nodes of the tongue.