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31 Matching questions

  1. What can cause a Conductive HL?
  2. What can cause a Retrocochlear HL?
  3. Conductive HL and Components
  4. Define: Acute, Chronic, Sudden, and Gradual
  5. General Types of HL
  6. Degree: Adults
  7. Mixed HL
  8. SNHL HL and Components
  9. Symbols: Sound Field
  10. Perceptual Consequences of a Conductive HL
  11. Functional HL
  12. Peripheral HL
  13. Central HL and Components
  14. Symmetrical VS. Asymmetrical
  15. Retrocochlear
  16. What can cause a SNHL?
  17. Symbols: BC
  18. Abscissa VS. Ordinate
  19. Symbols: No Response
  20. Perceptual Consequences of a SNHL
  21. Configurations
  22. Pseudohypacusis:

  23. Symbols: AC
  24. Define: Congenital, Acquired, and Adventitious
  25. Perceptual Consequences of a Retrocochlear HL
  26. Degree: Children
  27. Absolute threshold
  28. Unilateral VS. Bilateral
  29. Vibrotactile Limits and Symbols
  30. Define: Temporary, Permanent, Progressive, and Fluctuating
  31. Routes of Sound Transmission
  1. a -250 Hz = 25 dB HL
    -500 Hz = 55 dB HL
    -1K-8K Hz = 70 dB HL

    -Right ear: <vt?
    -Left ear:>vt?
  2. b •Temporary: will go away

    •Permanent: will always have

    •Progressive: keeps getting worse over time

    •Fluctuating: comes and goes
  3. c -Acts like they can't hear, but there is no damage.
    -Pseudohypacusis (malingering or psychological)
  4. d Add to any symbol:
    -Right ear: ↙
    -Left ear:↘

    -Don't connect
  5. e -Distortion of speech
    -Hearing in noise
    -Difficulty hearing HF sounds
  6. f -Anything past the cochlea is central
    -SNHL (retrocochlear)
    - Central aud. processing

    -Components of Aud. pathway: auditory cortex, med. geniculate body, inferior colliculus, cochlear nucleus
  7. g •Congenital: born with it

    •Acquired: developed after birth

    •Adventitious: something took advantage of the system and there is a sudden HL
  8. h -Usually due to damage to the cochlea or auditory nerve

    -AC = BAD
    -BC= BAD
    -ABG = NO

    -ALL Components: cochlea, hair cells, 8th CN, spinal ganglion, central aud. path

    -Sensory Components: cochlea, hair cells (Peripheral)

    -Neural Components: 8th CN, Spinal ganglion, central Aud. path (Central)
  9. i •Unilateral: one sided (one ear)

    •Bilateral: two sided (both ears)
  10. j -Flat
    -Precipitous (> 20 dB diff. in θs b/w 2 adjacent freq.)
    -Trough ("cookie bite")
    -Inverted Trough
    -Carhart's Notch (2K)
    -Noise Notch (b/w 3K-6K; comes back up after 6K-8K)
    -High Freq. (drops ~3K and above)
  11. k Normal= -10 to 15 dB HL
    Slight= 16 to 25 dB HL
    Mild= 26 to 40 dB HL
    Moderate= 41 to 55 dB HL
    Moderately Severe= 56 to 70 dB HL
    Severe= 71 to 90 dB HL
    Profound = >90 dB HL
  12. l Unmasked
    -Right ear: <
    -Left ear: >
    -Forehead: ^
    -Right ear: [
    -Left ear: ]

    -Connect symbols w/ dotted lines
  13. m •Symmetrical: equal loss in both ears

    •Asymmetrical: loss in both ears, but one is worse than the other
  14. n •Abscissa (horizontal): freq. measured in Hz

    •Ordinate (vertical): dB HL; intensity (Amp.)
  15. o -Usually due to outer or middle ear problems

    -AC = BAD
    -BC = GOOD
    -ABG = YES

    -Components: O.E., E.C., T.M., & M.E.
  16. p •Malingering: flat out faking, doing it on purpose

    •Psychological: no cause for it, but have a hearing loss, but using it for help to cope with a traumatic situation (bombings, PTSD).
  17. q •Peripheral
  18. r Unmasked:
    -Right ear: O
    -Left ear: X

    -Right ear: Δ
    -Left ear: ⃤

    -Connect symbols w/ line
  19. s -Excessive Noise exposure
  20. t -Distortion
    -Desynchronize firing
    -Fluctuating HL
  21. u -Non ear specific: S
  22. v -Usually temporary: Medical intervention
    -Cerumen impaction
    -TM perforation
    -Otitis Media or Sterile -Fluid
  23. w •AC: looks for conductive loss
    -Tells degree and configuration of loss

    •BC: shakes fluid in the middle ear to see if there are other components to the loss by bypassing the O.E. & M.E.
    -Tells nature of loss
  24. x -Genetics: Auditory Neuropathy
    -Hereditary: NF2
  25. y -Attenuation
    -"Plugged up"
  26. z the 8th nerve and beyond
  27. aa -both outer/middle ear and cochlea/nerve problems.

    -AC = BAD
    -BC = BAD
    -ABG = YES

    AC worse BC
  28. ab Normal= -10 to 25 dB HL
    Mild= 26 to 40 dB HL
    Moderate= 41 to 55 dB HL
    Moderately Severe= 56 to 70 dB HL
    Severe= 71 to 90 dB HL
    Profound = >90 dB HL
  29. ac •Acute: severe developed fast (mostly used w/ ear infections); typically for conductive loss

    •Chronic: has lasted a long time; typically for conductive loss

    •Sudden: woke up one day and all of the sudden can't hear

    •Gradual: slowly over time
  30. ad what we mark, the lowest level they respond at 50% of the time
  31. ae -Conductive
    -SNHL (cochlear)