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
Keisselbach's plexus is present at ? 
Select and explain. 
A. Medial wall of nasopharynx, B. Lateral wall of nasal cavity, C. Anteroinferior pa of nasal septum, D. Posterior pa of the nasal cavity
C: Anteroinferior pa of nasal septum
Answer: C: Anteroinferior pa of nasal septum 
Explanation: Ans. is 'c' i.e., Anteroinferior pa of nasal septum