This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharynx, Subject name: ENT
[{'content': 'Epipharynx is also called \nSelect and explain. \nA. Nasopharynx, B. Oropharynx, C. Laryngopharynx, D. Hypopharynx', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Epipharynx/Nasopharynx The pa of the pharynx that lies above the soft palate; anteriorly it opens into the nasal cavities through the choanae; inferiorly, it communicates with the oropharynx through the pharyngeal isthmus; laterally it communicates with tympanic cavities through pharyngotympanic (auditory) tubes. Ref: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 269 - 270', 'role': 'assistant'}]