This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and PNS, Subject name: ENT
[{'content': "Kiesselbach's area does not involve: \nSelect and explain. \nA. Superior labial artery, B. Anterior ethmoidal artery, C. Greater palatine artery, D. Posterior ethmoidal artery", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans: D Posterior ethmoidal artery* Kiesselbach's area aka Kiesselbach;s plexus and Little's area, is an area on the nasal septum located on the antero inferior part of the septum* in this area four arteries anastomose to form a vascular plexus called Kiesselbach's plexus.* The arteries are# Sphenopalatine artery (from the maxillary artery): Main artery of plexus# Greater palatine artery (from the maxillary artery)# Anterior ethmoidal artery (from the ophthalmic artery)# Septal branch of the superior labial artery (from the facial artery)", 'role': 'assistant'}]