Otolaryngology Study Guide

Otolaryngology CORRECT ANSWER a surgical subspecialty within medicine that deals with conditions of the ear, nose, and throat and related structures of the head and neck. Acoustic Neuroma CORRECT ANSWER **acous/o hearing/sound neur/o nerve A noncancerous tumor on the main nerve leading from the inner ear to the brain. Cerumen CORRECT ANSWER yellowish waxy substance secreted in the ear canal of humans and other mammals. It protects the skin of the human ear canal, assists in cleaning and lubrication, and also provides some protection from bacteria, fungi, insects and water. (EARWAX) Cholesteatoma CORRECT ANSWER An abnormal skin growth in the middle ear behind the eardrum Hearing Loss CORRECT ANSWER Conductive: **conduct/o carrying/conveying. Foreign body or infection in external auditory canal, perforation of tympanic membrane, fluid behind tympanic membrane, degeneration of ossicles, or otosclerosis of middle ear keep sound waves from reaching inner ear. Sensorineural: **sensor/i sensory neur/o nerve. Disease of cochlea, damage to inner ear excessive noise, or changes due to aging hinder production or sending sensory impulses to vestibulocochlear nerve. Presbycusis: **presby/o old age acous/o hearing/sound. Bilateral hearing loss due to aging. anakusis: Total deafness. Hemotympanum CORRECT ANSWER **