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
Waldeyer's ring include all except: 
Select and explain. 
A. Palatine tonsil, B. Tubal tonsil, C. Peyer's patch, D. lingual tonsil
C: Peyer's patch
Answer: C: Peyer's patch 
Explanation: 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