This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anatomy of Nasal Cavity, Subject name: ENT
[{'content': 'Nasolacrimal duct opens into which meatus? \nSelect and explain. \nA. Inferior Meatus, B. Middle Meatus, C. SuperiorMeatus, D. Supreme Meatus', 'role': 'user'}, {'content': "Answer: A \nExplanation: O Nasolacrimal duct opens in the inferior meatus just anterior to its highest point O It is closed by a mucosal flap called Hasner's valve MEATUS SINUS DRAINING Superior meatus Posterior ethmoid sinus Middle meatus Maxillary sinus Anterior Ethmoid sinus Frontal sinus Inferior meatus Nasolacrimal duct Sphenoethmoidal recess Sphenoid sinus", 'role': 'assistant'}]