This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epistaxis, Subject name: ENT
Kisselbach's plexus is situated in- 
Select and explain. 
A. Anteroinferior part of nasal septum, B. Woodruffs area, C. Near superior turbinate, D. Posterior nasal cavity
A: Anteroinferior part of nasal septum
Answer: A: Anteroinferior part of nasal septum 
Explanation: Ans. is 'a' i.e., Anteroinferior part of nasal septum Little's area:-o Situated in the anterior inferior part of nasal septum, just above the vestibule.Four arteries supply this area:o Anterior ethmoidal artery.o Septal branch of superior labial artery (Branch of facial A)o Septal branch of sphenopalatine artery (Branch of maxillary A)o Greater palatine artery (Branch of maxillary A).o These arteries anastomose to form a vascular plexus called ''Kiesselbach's plexus".