This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head & Neck, Subject name: Anatomy
[{'content': "Waldeyer's ring include all except: \nSelect and explain. \nA. Palatine tonsil, B. Tubal tonsil, C. Peyer's patch, D. lingual tonsil", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C. Fever\'s patchWaldeyer\'s lymphatic ring is a ringed arrangement of lymphoid tissue in the pharynx. Waldeyer\'s ring surrounds the naso- and oropharynx.The ring consists of the (from top to bottom):a. 1 pharyngeal tonsil (or "adenoids"), are located on the roof of the nasopharynx, under the sphenoid bone.b. 2 tubal tonsils on each side, where each auditory tube opens into the nasopharynxc. 2 palatine tonsils (commonly called "the tonsils"), are located in the oropharynxd. 1 group of lingual tonsil are located on the back part of the tongue', 'role': 'assistant'}]