Anatomy of the Auditory and Vestibular System
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Questions and Answers

What is the function of the auricle?

  • Balance air pressure
  • Collect pressure waves (correct)
  • Conduct pressure waves towards eardrum
  • Capture pressure waves
  • What is the role of the auditory ossicles?

  • Conduct pressure waves towards the eardrum
  • Capture pressure waves
  • Conduct pressure waves towards the cochlea (correct)
  • Balance air pressure
  • What is the function of the vestibule in the inner ear?

  • Detect linear movements (correct)
  • Detect sound waves
  • Detect changes in air pressure
  • Detect rotations of the head
  • What is the name of the nerve responsible for transmitting sound and balance information?

    <p>CN VIII – Vestibulocochlear nerve</p> Signup and view all the answers

    What is the function of the Saccule?

    <p>Detects gravity and vertical acceleration</p> Signup and view all the answers

    What is the term for the process of converting pressure waves into electric signals?

    <p>Auditory transduction</p> Signup and view all the answers

    What is the name of the fluid that occupies the space between the bony wall of the labyrinth and the membranous labyrinth?

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

    What is the name of the structure that houses the 'Organ of Corti'?

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

    Which part of the cochlea produces endolymph?

    <p>Vascular stria</p> Signup and view all the answers

    What is the term for the difficulty in understanding speech, loud speech, and uncertainty in the orientation of sound source?

    <p>Reduced hearing</p> Signup and view all the answers

    Which Nobel laureate is associated with the discovery of the cochlea's function?

    <p>G.Békéssy</p> Signup and view all the answers

    What is the function of the Outer hair cells?

    <p>Amplify sound signals</p> Signup and view all the answers

    What is the function of sensory hair cells in the vestibular system?

    <p>To convert physical forces to electric signals</p> Signup and view all the answers

    What is the effect of rotation of the head on the hair cells in the ampullae?

    <p>Depolarization on the side of the rotation</p> Signup and view all the answers

    What is the main cause of motion sickness?

    <p>Conflicted sensory informations between inner ear and visual</p> Signup and view all the answers

    What is the role of the otolithic membrane and otoconia in the vestibular system?

    <p>To detect gravity and linear acceleration</p> Signup and view all the answers

    What is the term for the sensation of the world spinning even when at rest?

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

    What is the function of the vestibular apparatus?

    <p>Sensory integration and motor control</p> Signup and view all the answers

    What is the name of the nerve that transmits signals from the vestibular system to the brain?

    <p>Vestibular nerve</p> Signup and view all the answers

    Which of the following is NOT a contributor to balance?

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

    What is the term for the rapid, involuntary movements of the eyes that can occur in vestibular disorders?

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

    What is the purpose of the waste bag on airplanes?

    <p>For motion sickness</p> Signup and view all the answers

    What is the acronym 'COWS' related to?

    <p>Cold or warm water in the ears</p> Signup and view all the answers

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