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
[{'content': 'All are true about adenoids except - \nSelect and explain. \nA. Physiological growth upto 6 years, B. Crypta magna present, C. Present in nasopharynx, D. Supplied by facial artery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Crypta magna is seen in palatine tonsils.\n\nAdenoids (nasopharyngeal tonsil)\n\nAdenoid is a subepithelial collection of lymphoid tissue at the junction of roof and posterior wall of\xa0the nasopharynx.\nUnlike tonsils,\xa0adenoids have no crypts and no capsule.\nAdenoid tissue is present at birth,\xa0shows physiological enlargement up to the age of six years\xa0and then tends to atrophy at puberty and almost completely disappears by the age of 20.\nAdenoids receive their blood supply from :\n\n\nAscending palatine branch of facial.\nAscending pharyngeal branch of external carotid.\nPharyngeal branch of the third part of the maxillary artery.\nAscending cervical branch of inferior thyroid artery of thyrocervical trunk.', 'role': 'assistant'}]