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': "Keisselbach'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: Ans. is 'c' i.e., Anteroinferior pa of nasal septum", 'role': 'assistant'}]