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Visual and Auditory ProblemsMedical-Surgical Nursing

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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)
Which type of tympanic perforation is accompanied by poor hearing?
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Large central perforations
This type of presbycusis is caused by atrophy of the auditory nerve and loss of sensory hair cells.
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Sensory presbycusis
This type of presbycusis is caused by degenerative changes in the cochlea and spinal ganglion.
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Neural
This type of presbycusis is caused by atrophy of blood vessels in the walls of the cochlea with interruption of essential nutrient supply...
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Metabolic
This type of presbycusis is caused by stiffening of basilar membranes, which interferes with sound transmission in the cochlea.
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Cochlear
This type of presbycusis results in a loss of high-pitched sounds with little effect on speech understanding. Sound amplification is useful.
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Sensory
This type of presbycusis results in a loss of speech discrimination and amplification is not sufficient to overcome the loss.
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Neural
This type of presbycusis causes uniform loss of all frequencies, and they experience abnormally rapid increases in loudness when sound intensity increases (recruitment). This type responds well to hearing aids.
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Metabolic
This type of presbycusis begins with a loss of low frequencies and progresses to high ones. When high frequency is lost, speech discrimination is affected. Amplification is useful for hearing.
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Cochlear
  
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