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: ENT
The inner Waldeyer's group of lymph nodes does not include: 
Select and explain. 
A. Submandibular lymph node, B. Tonsils, C. Lingual tonsils, D. Adenoids
A: Submandibular lymph node
Answer: A: Submandibular lymph node 
Explanation: Submandibular nodes do not form pa of Waldeyer's lymphatic ring. They form pa of the outer group of lymph nodes into which efferents from the constituents of the Waldeyer's lymphatic ring may drain.