This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
The lymphatic drainage to central part of the lip is- 
Select and explain. 
A. Sub mandibular node, B. Sub mental nodes, C. Deep cervical nodes, D. Jugulodiagastric nodes
B: Sub mental nodes
Answer: B: Sub mental nodes 
Explanation: Lower area, including central part of lower lip and the chin, drains into submental nodes.