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Visual and Auditory ProblemsMedical-Surgical Nursing

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Patients with ______ hearing loss are most likely to benefit from a hearing aid.
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Conductive
______ hearing loss is caused by a problem along the pathway from the inner ear to the auditory region of the brain, or with the brain itself.
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Central
_____ hearing loss is when a patient seems not to hear or respond to pure-tone subjective hearing tests, but no organic cause can be identified.
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Functional (may be caused by emotional/psychological factor)
Normal hearing = dB Slight hearing loss = dB Mild impairment = dB Moderate impairment = dB Moderately severe = dB Severe = dB Profoundly deaf = dB
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Normal hearing = 0-15 dB Slight hearing loss = 16-25 dB Mild impairment = 26-40 dB Moderate impairment = 41-55 dB Moderately severe = 56-70 dB Severe = 71-90 dB Profoundly deaf = greater than 91 dB
People with hearing in the 91 dB range most often are deaf from...
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Congenital causes
Acoustic trauma causes hearing loss from mechanical destruction of parts of ________.
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The organ of Corti
OSHA requires ear protection in work environments that have noise levels that exceed _____ dB.
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85
Rubella exposure during the first trimester can lead to congenital hearing loss, particularly during _______ weeks of gestations
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The first 8 weeks
Women who have been vaccinated for rubella should wait ________ before trying to get pregnant.
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3 months
What types of drugs have the greatest potential for ototoxicity?
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Antibiotics, salicylates, diuretics, and antineoplastic drugs
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What are signs and symptoms of ototoxicity?
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Tinnitus, sensorineural hearing loss and vestibular dysfunctions
The noise from a rock concert (120 dB) can cause hearing loss within...
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There is no within, the loss is immediate.
The noise from a chain saw can cause hearing damage within...
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2 hours
Noise from the subway, heavy city traffic or a factory can cause hearing loss within...
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8 hours
What teaching points should be covered for a client with new hearing aids?
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Initially wear them at home to get used to them, experiment by increasing/decreasing volume. Once adjusted, try different listening environments like a small party, then outdoor environments, then less controlled places like a mall. Place in a cool, dry area when not wearing them, and remove the battery. Clean ear molds weekly as needed. Clogged ear tips can be cleaned with a toothpick or pipe cleaner. Batteries last about a week.
T/F Sign language is universal.
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False. American sign language is only used in the US, and English speaking parts of Canada
Who is the best candidate for a cochlear implant?
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Someone who has become deaf after acquiring speech and language
Cochlear implants are used to correct ________ hearing loss.
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Sensorineural
If a person was born deaf or became deaf while learning to speak, what can increase their chances of qualifying for a cochlear implant?
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Following an aural/oral educational approach
What are the three common types of tympanic perforations?
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Small central perforation, large central perforation (by the handle of the malleus), and marginal perforation of Shrapnel's membrane
Which types of tympanic membrane perforations are likely to develop cholesteatomas?
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Marginal perforations and Attic perforations (attic perforations are always accompanied by cholesteatomas)
  
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