<prompt> During tonsillectomy, which of the following structure is NOT injuredGlossopharyngeal nerveParatonsillar veinTonsillar branch of facial aeryExternal carotid aery  <response>: STRUCTURES DAMAGED DURING TONSILLECTOMY: - Tonsil is supplied by Tonsillar branch of facial aery - Para-tonsillar vein is also present which may bleed heavily in procedure of tonsillectomy - Glossopharyngeal nerve supplying that area of palate is at the floor of tonsil bed - can be compromised - Superior pharyngeal constrictor is related to fascia 