ATI Learning System RN 3.0-Medical-Surgical Middle and Inner Ear Disorders Practice Questions & Answers-Updated for 2023 Pass Medical-Surgical Middle and Inner Ear Disorders in First Attempt Guaranteed!Get 100% Latest Exam Questions, Accurate & Verified Answers to Pass the Actual Exam! Instant Download!

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ATI Learning System RN 3.0-Medical-Surgical Middle and Inner Ear Disorders Practice Questions & Answers-Updated for 2023 Pass Medical-Surgical Middle and Inner Ear Disorders in First Attempt Guarante... ed!Get 100% Latest Exam Questions, Accurate & Verified Answers to Pass the Actual Exam! Instant Download! ATI Learning System RN 3.0-Medical-Surgical Middle and Inner Ear Disorders Practice Questions & Answers-Updated for 2023 Middle ear consists of - Ans | >> tympanic membrane (eardrum) and 3 ossicular bones (malleus, incus, stapes) and connects to the oropharynx via the eustachian tubes The inner ear consists of - Ans | >> oval window, cochlea (hearing organ) and vestibular system (organ responsible for balance, which includes the semicircular canals) Changes in m & i ear - Ans | >> changes related to aging are thickening of the tympanic membrane (loss of elasticity), loss of sensory "hair" cells in the organ of corti, and limitations to movement of the ossicles (incus, stapes, malleus) Disorders related to function of the middle ear caused by - Ans | >> injury, disease, aging Middle ear infections: - Ans | >> otitis media: Infection causes inflammation of ossicles and purulent drainage-may be acute, chronic, or serous T w/ antibiotics or surgery inner ear problems - Ans | >> tinnitus, vertigo and dizziness labyrinthitis and Menieres disease are inner ear problems - Ans | >> *lybyrinthitis - infection of the labyrinth, usually secondary to otitis media *Menieres disease - vestibular disease characterized by a triad: tinnitus, unilateral sensorineural hearing loss, and vertigo * Benign Paroxysmal vertigo (BPV) occurs in response to a change in position. due to disturbance of crystals in semicircular canals, initiating vertigo that lasts from days to months Visual, vistibular and proprioceptive systems - Ans | >> provide the brain with input regarding balance. with/in any of these systems pose a risk for loss of balance Assessment: Risk Factors for Middle ear disorders - Ans | >> recurrent colds, otitis media enlarged adenois trauma chaings in air pressure (scuba diving, flying) Prof.Exams Assessment: Risk Factors for Inner Ear Disorders - Ans | >> viral or bacterial infection damage due to ototoxic medications Middle Ear Disorders subjective data - Ans | >> hearing loss feeling of fullness or pain in ear inner ear disorders subjective data - Ans | >> hearing loss tinnnitus dizziness, vertigo middle ear objective ear - Ans | >> red inflamed ear canal and tympanic membrane bulging TM fluid and bubbles behind TM Inner ear Objective Ear - Ans | >> Vomiting Nystagmus alterations in balance Diagnostic Procedures: - Ans | >> Tympanogram: measures the mobility of the TM and middle ear structures relative to sound ( effective in diagnosing middle ear disease) Otoscopy: used to examine the external auditory canal , the TM and malleus bone visible through the TM Nursing Actions - Ans | >> Otoscopic examination is done if audiometry results indicate a possible impairment or if a client is reporting ear pain -after selection of a properly sized speculum, an otoscope is introduced into the external ear. -if the ear canal curves, pull up and back on adults pull down and back on children -the TM should be pearly gray color and intact. I should provide complete structural separation of the outer and middle ear structures -the light reflex should be visible from the center of the TM anteriorly 5 at right ear and 7 o clock at the left ear Prof.Exams nursing actions 2 - Ans | >> -in the presence of fluid or infection in the middle ear, the TM becomes inflamed and may bulge from the pressure of the exudate. This also displaces, the light reflex, a significant diagnostic finding -avoid touching the lining of the ear canal, which causes pain due to sensitivity Electronystagmography ENG - Ans | >> determines the type of nystagmus elicited by the stimulation of the acoustic nerve -electrodes are placed around the eyes and movements of the eyes are recorded when the ear canal is stimulated with cold water instillation or injection of air. Recording if eye movements can be interpretted by a specialist as either normal or abnormal -during the procedure, nurse should ask simple question to ensure client remains alert - client should be on bed rest and NPO postprocedure until vertigo subsides -Client fasts immediately before procedure, restricting caffeine, alcohol, sedatives and antihistamines 24 prior to test -not performed on clients with pacemakers Caloric Testing - Ans | >> -water is instilled in the ear in an effort to induce nystagmus -the eyes response to the instillation of cold and warm water is diagnostic of vestibular disorders -can be done concurrently with ENG -same restrictions as w/ ENG nursing care - Ans | >> monitor clients functional ability and balance. Take fall risk precautions evaluate pts home. -encourage client to rise slowly and use assisstance and assistive devices as needed -check hearing of clients receiving ototoxic meds for more than 5 days. reduced renal function that occurs with aging increases the risk for ototoxicity -administer antivertigo and antiemetic meds as needed ototoxicitc meds: - Ans | >> multiple antibiotics - gentamicin, amikacin, metronidazole (Flagyl) diuretics - furosemide (Lasix) NSAIDs aspirin or ibuprofen (Advil). [Show More]

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