Anatomy Of The Ear

31 Questions | Total Attempts: 2577

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Ear Anatomy Quizzes & Trivia

Let’s kill two birds with one stone in this “Anatomia: Torax” quiz by testing your knowledge of the Spanish language as well as your knowledge on the chest within the study of anatomy. What can you tell us about the likes of the spine, the bronchus and much more? Let’s find out.


Questions and Answers
  • 1. 
    This collects acoustic sounds and funnels it to the eardrum...
    • A. 

      Inner ear

    • B. 

      Middle ear

    • C. 

      Outer ear

  • 2. 
    • A. 

      Severe sensorineural

    • B. 

      Moderate conductive

    • C. 

      Severe conductive

    • D. 

      Profound conductive

  • 3. 
    What are the 3 functions of the external ear?
    • A. 

      Impedance matching, Localization, Protection

    • B. 

      Protection, Amplification, Localization

    • C. 

      Protection, Amplification, Pressure Equalization

  • 4. 
    A small air filled cavity lined with a mucous membrane....
  • 5. 
    Where are the ME and IE housed?
  • 6. 
    What is a concave, disk-like structure with invaginated portion pointed in toward the middle ear space?
    • A. 

      Mastoid

    • B. 

      Stapes

    • C. 

      Tympanic membrane

    • D. 

      Scala vestibuli

  • 7. 
    What is the order of the TM layers, outer to inner?
  • 8. 
    Largest bone in the ME
  • 9. 
    What is the ring-shaped ligament that holds the footplate of the stapes in the oval window?
    • A. 

      Axial ligament

    • B. 

      Tensor tympani

    • C. 

      Annular ligament

    • D. 

      Stapedius

  • 10. 
    What do the axial ligaments do?
    • A. 

      Hold the footplate of the stapes

    • B. 

      Pulls malleus medially and anteriorly, tensing the TM

    • C. 

      Suspends the ossicles in the tympanic cavity

    • D. 

      Pulls stapes in a posterior direction

  • 11. 
  • 12. 
    The Eustachian tube is usually
  • 13. 
    What are the functions of the middle ear?
    • A. 

      Amplification, Protection, Impedance matching

    • B. 

      Protection, Impedance matching, Pressure Equalization

    • C. 

      Protection, Localization, Impedance matching

  • 14. 
    How many decibels does the ME compensate for?
  • 15. 
    The area difference btwn the TM and footplate of the stapes is...
    • A. 

      17:1

    • B. 

      13:1

    • C. 

      20:1

    • D. 

      30:1

  • 16. 
    The ratio of the lever action of the ossicular chain is
  • 17. 
    Higher mass equals
    • A. 

      Higher frequency

    • B. 

      Lower frequency

  • 18. 
    Higher stiffness equals
    • A. 

      Higher frequency

    • B. 

      Lower frequency

  • 19. 
    If fluid builds up in the ear, what happens?
  • 20. 
    How does the ME protect?
  • 21. 
    The acoustic reflex can reduce how many decibels of loud sounds?
    • A. 

      70-80

    • B. 

      50-60

    • C. 

      10-30

    • D. 

      20-40

  • 22. 
    What is the structure comprising of the sensory organs for hearing and balance?
    • A. 

      Tympanic membrane

    • B. 

      Middle ear

    • C. 

      Inner ear

  • 23. 
    What is the auditory portion of the inner ear?
  • 24. 
    The base of the cochlea deals with...
    • A. 

      High frequencies

    • B. 

      Low frequencies

  • 25. 
    What is the membrane covered opening in the labyrinthine wall of the ME space, leading in the scala tympani?
    • A. 

      Oval window

    • B. 

      Round window

    • C. 

      Scala media

  • 26. 
    The opening in the labyrinthine wall of the ME space, leading into the scala vestibuli of the cochlea, into which the footplate of the stapes fits is
  • 27. 
    Which is filled with endolymph?
    • A. 

      Scala vestibuli

    • B. 

      Scala tympani

    • C. 

      Scala media

  • 28. 
    Perilymph is not only similar to CSF, but also...
    • A. 

      High in potassium

    • B. 

      High in sodium

  • 29. 
    The base of the basilar membrane is for
    • A. 

      High frequencies

    • B. 

      Low frequencies

  • 30. 
    How many rows of outer hair cells are there? Totally in what?
    • A. 

      5 or 6, totaling in 12,000

    • B. 

      3 or 4, totaling in 13,000

    • C. 

      3 or 4, totaling in 12,000

    • D. 

      5 or 6, totaling in 3,500

    • E. 

      3 or 4, totaling in 3,500

  • 31. 
    What are cell bodies of the auditory nerve fibers that innervate the inner and outer hair cells clustered in the modiolus?