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46 Multiple choice questions

  1. normal middle ear function
    -normal shape, peak pressure, peak admittance
  2. obstruction of ear canal or improper probe placemet
  3. air pressure in middle ear
  4. otitis media/ effutions
  5. stiffined middle-ear system:
    -normal shape, peak pressure low peak admittance (<.3 ml)
  6. how much sound is absorbed (admitted) and how much is reflected back into ear canal
  7. -peak admittance
    -physical volume (ear canal volume)
    -peak pressure
  8. 100 to -150 daPa
  9. -detecting middle ear disorder (tympanometry and reflexes)
    -differentiationg different types of middle-ear pathology (tympanometry and reflexes)
    -differentiating cochlear from retrocochlear pathology (reflexes, and reflex decay)
    -facial nerves (reflexes) and eustachian tube (tympanometry)
  10. mobility of middle ear
  11. flat tympanogram, no peak, low admittance
  12. middle ear pressure is negative rative to outer air pressure
    -usually Eustachian tube dysfunction
  13. -structural defects in ear, head or neck
    -ear canal abnormalites
    -tympanic membrane abnormalities
  14. equal on wither side:~0daPa
  15. check ear canal volume
  16. normal shape, normal peak admittance, excessively negative peak pressure
    (<-150 daPa)
  17. 226 Hz
  18. opposition to flow of acoustic energy at middle ear
  19. 0 daPa
  20. acoustic energy passed by tympanic membrane into middle ear
  21. excessive compliance; flaccidity of TM/ossicles
  22. -color
    -bulging or retraction
    -fluid line or bubbles
  23. TM is not intact; peforation
  24. excessively compliant middle ear; normal shape, peak pressure, high peak admittance (2.5 ml)
  25. .3 ml to 2.0 ml
  26. serous otitis media
  27. low compliance; stiffness of middle ear system
  28. assess outer ear, TM, and middle ear
  29. admittance of sound into middle-ear at varying degrees of positive and negative pressure in external auditory canal
  30. screen or printout
  31. intact TM, no ear canal obstruction, but little to no mobility of TM
  32. Tm isn't intact; maybe perforated
  33. .6 to 2.5 mL
    -TM is intact
  34. where tympanogram peak falls horizontally
  35. -tympanometry
    -acoustic reflex thresholds
  36. combination of two words: impedence +admittance
  37. tymponometry
  38. stapedial muscle reflex (stiffening middle ear system when elicited by high intensity sounds)
  39. compliance of TM and ossicular chain
  40. 7 mo
  41. volume of ear canal beyond probe
  42. EAC and middle ear space
  43. eustachan tube dysfunction or oncoming/resolving otitits media
  44. ear canal obstruction or misplaced probe tip
  45. -blood
    -excessive cerum or foreign object
  46. middle ear function