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
[{'content': 'Waldeyer’s ring consists of all of the following except \nSelect and explain. \nA. Palatine tonsils, B. Pharyngeal tonsils, C. Tubal tonsils, D. Posterior Auricular nodes', 'role': 'user'}, {'content': "Answer: D \nExplanation: Lymphoid tissue aggregated at places in the subepithelial layer of the pharynx is collectively called Waldeyer's ring. It is formed by \n1. Nasopharyngeal tonsil or adenoids \n2. Palatine tonsils \n3. Lingual tonsil \n4. Tubal tonsil (In fossa of Rosenmuller) \n5. Lateral pharyngeal bands \n6. Nodules in posterior pharyngeal wall", 'role': 'assistant'}]