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: The anteroinferior pa or vestibule of the septum contains anastomoses between the septal ramus of the superior labial branch of the facial aery, branch of sphenopalatine aery, and of anterior ethmoidal aery. These form a large capillary network called the Kiesselbach\'s plexus.This is a common site of bleeding from the nose or epistaxis and is known as Little\'s area. <img src=" /> Ref: BD Chaurasia\'s HUMAN ANATOMY, Volume 3, 6th edition 240', 'role': 'assistant'}]