Chapter 53
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Questions and Answers

Which muscle is the smallest skeletal muscle in the body and is involved in the attenuation reflex?

  • Malleus
  • Stapedius (correct)
  • Tensor tympani
  • Incus

    • What is the function of the tympanic membrane in the sense of hearing?

  • Connect to the ossicles
  • Transmit vibrations to the cochlea (correct)
  • Develop rigidity
  • Amplify the signal

    • What is the purpose of the attenuation reflex in the sense of hearing?

  • To induce vibration in the basilar membrane
  • To generate nerve impulses
  • To protect the cochlea (correct)
  • To dampen low frequency sounds

    • Which structure lies above the stereocilia of the hair cells?

    <p>Tectorial membrane</p> Signup and view all the answers

    What initiates the neural transduction of auditory signals?

    <p>Movement of the basilar membrane</p> Signup and view all the answers

    What percentage of auditory signals are transmitted by inner hair cells?

    <p>90%</p> Signup and view all the answers

    What is the function of outer hair cells?

    <p>Control the sensitivity of inner hair cells</p> Signup and view all the answers

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