<prompt> Kiesselbach;s plexus is present atMedial wall of nasopharynxLateral wall of nasal cavityAnteroinferior pa of nasal septumPosterior pa of the nasal cavity  <response>: Ref BDC volume3,6th edition pg 241The anteroinferior pa or vestibule of the septum contains anastomoses between the septal ramus of superior labial branch of facial aery, branch of sphenopalatine aery, greater palatine and of anterior ethmoidal aery. These form a large capillary network called kiesselbachs plexus. 