A 3-year-old girl ruptured her eardrum when she inseed a pencil into her ear. Her mother took her to the emergency depament after noticing that the child was crying and complaining of pain in her ear with a few drops of blood in the external auditory meatus. The attending doctor examined the child for possible injury to a nerve that runs across the the eardrum. Which is the MOST likely nerve to be injured?
Chorda Tympani lies across the tympanic membrane, so it's possible that this nerve was injured by the pencil.
Auricular branch of the vagus
Chorda Tympani
Glossopharyngeal(CN IX)
Lesser petrosal