The Cochlea: Structure and Function in Hearing
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Questions and Answers

What is the primary function of the cochlea in the human ear?

  • To sense pressure from sound vibrations (correct)
  • To produce acoustic energy
  • To aid in balance
  • To transmit electric signals to the outer ear

    • What is the name of the axis around which the three canals of the cochlea are wrapped?

  • Helicotrema
  • Semicircular canals
  • Modiolus (correct)
  • Scala tympani

    • What is the cochlea not a part of?

  • The skeletal system (correct)
  • The auditory system
  • The inner ear
  • The outer ear

    • What is the name of the small opening that connects the upper and lower canals of the cochlea?

    <p>Helicotrema (C)</p> Signup and view all the answers

    What is the fluid that fills the canals of the cochlea?

    <p>Perilymph (C)</p> Signup and view all the answers

    What is the cochlea shaped like?

    <p>A snail shell (D)</p> Signup and view all the answers

    What is the purpose of the semicircular canals in the inner ear?

    <p>To regulate balance (A)</p> Signup and view all the answers

    What is the shape of the cochlear duct?

    <p>Triangle (D)</p> Signup and view all the answers

    What is the primary function of the organ of Corti?

    <p>To transmit sound waves to the brain (C)</p> Signup and view all the answers

    What is the direction of sound wave travel?

    <p>Away from the source of the sound (B)</p> Signup and view all the answers

    What triggers the hair cells located on the organ of Corti?

    <p>The vibration of the fluid in the cochlea (A)</p> Signup and view all the answers

    What is the role of the base of the cochlea?

    <p>To hear high pitches (B)</p> Signup and view all the answers

    What is the purpose of a hearing aid?

    <p>To amplify sound waves (D)</p> Signup and view all the answers

    What is the controversy surrounding cochlear implants?

    <p>Their potential to ruin deaf culture and community (B)</p> Signup and view all the answers

    What is the route of sound transmission in a cochlear implant?

    <p>Processor, receiver, inner ear, auditory nerve, brain (B)</p> Signup and view all the answers

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