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46 True/False questions

  1. type Adstiffined middle-ear system:
    -normal shape, peak pressure low peak admittance (<.3 ml)

          

  2. type Bnormal middle ear function
    -normal shape, peak pressure, peak admittance

          

  3. tympanometrystiffined middle-ear system:
    -normal shape, peak pressure low peak admittance (<.3 ml)

          

  4. type C tympanogram reflectsnormal shape, normal peak admittance, excessively negative peak pressure
    (<-150 daPa)

          

  5. normal physical volumeintact TM, no ear canal obstruction, but little to no mobility of TM

          

  6. tympanometry has limited value w/ children younger thanEAC and middle ear space

          

  7. large ear canal volumeobstruction of ear canal or improper probe placemet

          

  8. admittancecombination of two words: impedence +admittance

          

  9. normal tympanometry reflecs ____ _____ ______, not ______ ______middle ear function

          

  10. small ear canal volume.6 to 2.5 mL
    -TM is intact

          

  11. normal ear canal volume.6 to 2.5 mL
    -TM is intact

          

  12. purpose of immittance testing-tympanometry
    -acoustic reflex thresholds

          

  13. low peak admittance may be linked toserous otitis media

          

  14. atypical things looked for in an otoscopy procedure-structural defects in ear, head or neck
    -ear canal abnormalites
    -tympanic membrane abnormalities

          

  15. type Asnormal middle ear function
    -normal shape, peak pressure, peak admittance

          

  16. purpose of otoscopy procedure is to-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)

          

  17. acoustic reflex threshold100 to -150 daPa

          

  18. type c tympanogrameustachan tube dysfunction or oncoming/resolving otitits media

          

  19. physical volume too largeTM is not intact; peforation

          

  20. peak pressure is related toair pressure in middle ear

          

  21. tympanometry determines-peak admittance
    -physical volume (ear canal volume)
    -peak pressure

          

  22. type Astiffined middle-ear system:
    -normal shape, peak pressure low peak admittance (<.3 ml)

          

  23. physical volume is too smallTM is not intact; peforation

          

  24. physical volumeintact TM, no ear canal obstruction, but little to no mobility of TM

          

  25. high >2.ml peak admittancelow compliance; stiffness of middle ear system

          

  26. visual (otoscopic) inspection is performed beforetymponometry

          

  27. probe tone in tympanometry uses ____ frequencyEAC and middle ear space

          

  28. in tympanometry, microphone measuresadmittance of sound into middle-ear at varying degrees of positive and negative pressure in external auditory canal

          

  29. type B tympanogram with normal physical volume can often reflectotitis media/ effutions

          

  30. normal peak admittance.3 ml to 2.0 ml

          

  31. tests of immittance-tympanometry
    -acoustic reflex thresholds

          

  32. to interpret type B tympanogram,normal shape, normal peak admittance, excessively negative peak pressure
    (<-150 daPa)

          

  33. in normal middle ear, acoustic energy is passed at.6 to 2.5 mL
    -TM is intact

          

  34. immitancecombination of two words: impedence +admittance

          

  35. TM vibrates most easily and best when air pressure isequal on wither side:~0daPa

          

  36. peak admittance is related tomobility of middle ear

          

  37. ear canal abnormalities-blood
    -inflammation
    -excessive cerum or foreign object

          

  38. negative pressure<-150 daPa reflectsmiddle ear pressure is negative rative to outer air pressure
    -usually Eustachian tube dysfunction

          

  39. impedancecombination of two words: impedence +admittance

          

  40. peak pressure is shown byair pressure in middle ear

          

  41. normal peak pressure.3 ml to 2.0 ml

          

  42. ear canal volume value is provided on-blood
    -inflammation
    -excessive cerum or foreign object

          

  43. tympanometry is related tocompliance of TM and ossicular chain

          

  44. tympanometry measures volume ofEAC and middle ear space

          

  45. low<.3 ml peak admittanceexcessive compliance; flaccidity of TM/ossicles

          

  46. tympanic membrane abnormalities-color
    -bulging or retraction
    -fluid line or bubbles
    -perforation
    -mass