Head and Neck Anatomy Sound Parameters Quiz
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Questions and Answers

What determines the site of maximal displacement of the basilar membrane?

  • Frequency and pitch
  • Wavelength and phase
  • Sound pressure and noise
  • Amplitude and frequency (correct)
  • Which characteristic defines a pure tone?

  • Peak-to-peak change in sound pressure
  • Multiple superimposed waves
  • Sine wave with a single frequency (correct)
  • Recognizable periodic elements
  • What distinguishes noise from a pure tone?

  • Contains multiple superimposed waves (correct)
  • Sine wave with a single frequency
  • Recognizable periodic elements
  • Peak-to-peak change in sound pressure
  • Which parameter contributes to the loudness of a sound?

    <p>Amplitude</p> Signup and view all the answers

    What is the primary determinant of pitch in a sound wave?

    <p>Frequency</p> Signup and view all the answers

    Which factor remains constant between two sounds that have the same frequency and amplitude but differ in phase?

    <p>Phase</p> Signup and view all the answers

    At which frequency range is the greatest sensitivity of the human ear?

    <p>1000-4000 Hz</p> Signup and view all the answers

    What is the minimal intensity at which sound can be detected called?

    <p>Sound threshold</p> Signup and view all the answers

    What is the average speech intensity in decibels?

    <p>60 dB</p> Signup and view all the answers

    What is the main purpose of the lower panels in explaining sound location detection?

    <p>To illustrate interaural time difference</p> Signup and view all the answers

    What creates a phase difference in sound location detection?

    <p>Shift of sound source from midline</p> Signup and view all the answers

    On what scale are differences in sound intensity typically measured?

    <p>Logarithmic scale</p> Signup and view all the answers

    What causes fluid movement in the scala tympani?

    <p>Displacement of the stapes</p> Signup and view all the answers

    Where does fluid movement in the scala vestibuli lead to?

    <p>Reciprocal displacement of the round window</p> Signup and view all the answers

    Which structure determines the site of maximal displacement of the basilar membrane?

    <p>Organ of Corti</p> Signup and view all the answers

    What effect do high frequency sound waves have on the basement membrane?

    <p>Displacement closer to the base</p> Signup and view all the answers

    Which curve indicates the intensity at which sound is felt as painful?

    <p>Top curve</p> Signup and view all the answers

    What is the purpose of the bottom curve in a sound intensity graph?

    <p>Shows absolute intensity for sound detection</p> Signup and view all the answers

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