This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'Kiesselbach&;s plexus is present at \nSelect and explain. \nA. Medial wall of nasopharynx, B. Lateral wall of nasal cavity, C. Anteroinferior pa of nasal septum, D. Posterior pa of the nasal cavity', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ref BDC volume3,6th edition pg 241The anteroinferior pa or vestibule of the septum contains anastomoses between the septal ramus of superior labial branch of facial aery, branch of sphenopalatine aery, greater palatine and of anterior ethmoidal aery. These form a large capillary network called kiesselbachs plexus.', 'role': 'assistant'}]