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: Unknown
Arterial supply to epistaxis area are all except- 
Select and explain. 
A. Greater palatine, B. Anterior ethmoidal, C. Posterior ethmoidal, D. Sphenopalatine
C: Posterior ethmoidal
Answer: C: Posterior ethmoidal 
Explanation: (Refer: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 165)

Epistaxis area is Little’s area
Four arteries contribute to little’s area
	
Anterior ethmoidal aretery
Septal branch of superior labial artery (Branch of facial A)
Septal branch of sphenopalatine artery (Branch of maxillary A)
Greater palatine artery (Branch of maxillary A)