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38 True/False questions

  1. Hearing DisabilityRefers to the limitation on function imposed by a hearing loss

          

  2. What is a short coming of the ascending method?a false-positive response (responding when the stimuli is no longer present)

          

  3. What does dB SL refer to?to specify the intensity of stimuli presented to a given patient relative to the patient's threshold.

          

  4. When do false-negative responses occur during testing?When the patient has tinnitus, especially when the test frequency is near the tinnitus freq.

    For these patients use a pulsed/warbled tone.

          

  5. What tests that we use are automated?to specify the intensity of stimuli presented to a given patient relative to the patient's threshold.

          

  6. Hear HandicappedRefers to the limitation on function imposed by a hearing loss

          

  7. The human ear responds best to what frequencies?Frequencies below 20 Hz

          

  8. What frequencies are critical for the perception of speech?Frequencies b/w 300 and 3000 Hz

          

  9. Hard of hearinga measure of effect that hearing loss has on psychosocial function

          

  10. DeafIndividuals that have a severe to profound hearing loss, whose auditory sensitivity is so severely impaired that only a few or none of the prosodic and phonetic elements of speech can be recognized.

          

  11. What can caused the ear canal collapse?the absolute pressure reference level for the dB.

          

  12. Mode of BC:
    Inertial
    When the skull is set into motion with a BC vibrator, the structures of the ossicular chain are not rigidly attached, and there is a lag in their movement relative to the skull movement.

          

  13. Why is it better to have the patient respond by raising his/her hand instead of using the handheld button?a false-positive response (responding when the stimuli is no longer present)

          

  14. What is the most effective way to prevent the spread of infection?Handwashing

          

  15. When do false-positive responses occur during testing?When the patient has tinnitus, especially when the test frequency is near the tinnitus freq.

    For these patients use a pulsed/warbled tone.

          

  16. What is a short coming of the descending method?a false-negative response (failing to respond even when the stimuli is still audible)

          

  17. When do we use automatic audiometers?ABR and OAEs

    Overtime, it is likely that we will start using automated equipment for pure-tone testing.

          

  18. Bing purposeassesses the presence of conductive hearing loss

          

  19. What are the two basic physical measurements that are associated with pure-tones?Freq. and Intensity

          

  20. How does the Hughson-Westlake overcome the the shortcomings of the descending and ascending methods?a false-positive response (responding when the stimuli is no longer present)

          

  21. Infrasonic frequenciesFrequencies above 20,000 Hz

          

  22. Why could the results of the Bing and Rinne tuning fork tests be contaminated?Due to the crossover of the BC test signal to the NTE.

          

  23. Why is proper earphone placement important?They eliminate the problem of collapsed ear canals experienced with supra-aural earphones.

          

  24. Pure-tone audiometers originated from what?Aud. dysynchrony is a pathologic condition of the auditory sys. that involves a disruption of synchronous activity in the processes of aud. stimuli, most likely involving the 8th CN. Hearing sensitivity can be normal, or hearing loss in the mild-mod., or even severe, range can be present.

    Normal cochlear function is present.

    ABR is abnormal or elevated beyond wave.

    Speech recognition is significantly worse.

          

  25. Ultrasonic frequenciesFrequencies above 20,000 Hz

          

  26. Rinne proposeassesses the presence of conductive hearing loss

          

  27. What does dB HL refer to?to specify the intensity of stimuli presented to a given patient relative to the patient's threshold.

          

  28. What can we replace standard tuning fork tests with?The use of supra-aural earphones

          

  29. Why do we test 3000 Hz?It's importance in diagnosing noise-induced hearing loss

          

  30. Why are insert headphones better for diagnostics?It is required to obtain valid test results.

          

  31. Mode of BC:
    Osseotypanic
    Inertial properties of the bones composing the skull causing them to vibrate in response to the BC oscillator. This method of stimulation dominates the low freq.

          

  32. Why does BC have more variability that AC?the reference to average normal hearing sensitivity

          

  33. Auditory NeuropathyAud. dysynchrony is a pathologic condition of the auditory sys. that involves a disruption of synchronous activity in the processes of aud. stimuli, most likely involving the 8th CN. Hearing sensitivity can be normal, or hearing loss in the mild-mod., or even severe, range can be present.

    Normal cochlear function is present.

    ABR is abnormal or elevated beyond wave.

    Speech recognition is significantly worse.

          

  34. What does dB SPL refer to?the absolute pressure reference level for the dB.

          

  35. Weber purposeassesses the presence of conductive hearing loss

          

  36. Why would we test 6000 Hz?It is important for speech perception

          

  37. Auditory Processing Disorder (APD)Aud. dysynchrony is a pathologic condition of the auditory sys. that involves a disruption of synchronous activity in the processes of aud. stimuli, most likely involving the 8th CN. Hearing sensitivity can be normal, or hearing loss in the mild-mod., or even severe, range can be present.

    Normal cochlear function is present.

    ABR is abnormal or elevated beyond wave.

    Speech recognition is significantly worse.

          

  38. Mode of BC:
    Distortional/Compressional
    When the skull is set into motion w/ a BC vibrator, the compression of the bones of the skull gives rise to a distortion of the inner ear structures, which in turn produces electromechanical activity in the inner ear, giving rise to the sensation of hearing.