CH 21 EAQ Auditory Problems

CH 21 EAQ Auditory Problems Which is the most powerful hearing aid available for use by patients with hearing loss? a. In the ear b. In the canal c. Behind the ear d. Completely in the canal - ANSWER ANS: C A behind-the-ear hearing aid is the most powerful hearing aid and is used for all types of hearing loss. An in-the-ear hearing aid is used for mild to severe hearing loss, which provides powerful amplification. An in-the-canal hearing aid is also used for mild to severe hearing loss. A hearing aid set completely in the canal is used for mild to moderate hearing loss. Which auditory disorder is caused by an excessive accumulation of endolymph in the membranous labyrinth? a. Otitis Media b. Otosclerosis c. Ménière's disease d. Acoustic neuroma - ANSWER ANS: C Ménière's disease, also called endolymphatic hydrops, results in an excessive accumulation of endolymph in the membranous labyrinth. The volume of endolymph increases until the membranous labyrinth ruptures. Otitis media is caused by an infection of the tympanum, ossicles, and space of the middle ear. Otosclerosis is a hereditary autosomal dominant disease caused by the vascular and bony changes in the middle ear. Otoscopic examination may reveal Schwartz's sign. Acoustic neuroma is a disorder of cranial nerve VIII, on which a unilateral benign tumor grows. Which type of presbycusis is associated with the loss of sensory hair cells? a. Neural b. Sensory c. Cochlear d. Metabolic - ANSWER ANS: B Sensory presbycusis is associated with atrophy of the auditory nerve and loss of sensory hair cells. Neural presbycusis is associated with degenerative changes in the cochlea and spinal ganglion. Cochlear presbycusis is associated with stiffening of basilar membrane. Metabolic presbycusis is associated with atrophy of the blood vessels in the wall of cochlea. Which nonverbal aids can the nurse adopt to effectively communicate with a patient with hearing loss? a. Refraining from touching the client b. Having a light source behind the speaker c. Maintaining equal distance from both ears d. Refraining from covering the mouth or face with hands - ANSWER ANS: D The nurse should not cover his or her mouth or face with the hands to communicate effectively with a patient with hearing loss. Using touch can be an effective strategy in this situation. The nurse should refrain from having light behind the speaker. The nurse should move close to the better ear while communicating with the patient with hearing loss. Which surgical procedure involves an incision in the tympanum to release the increased pressure and exudate from the middle ear?