Anatomy Of The Ear

31 Questions  I  By Kelsey.wickre
Please take the quiz to rate it.

Anatomy Quizzes & Trivia
Anatomy of the Ear

  
Changes are done, please start the quiz.


Questions and Answers

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
  • 1. 
    This collects acoustic sounds and funnels it to the eardrum...
    • A. 

      Inner ear

    • B. 

      Middle ear

    • C. 

      Outer ear


  • 2. 
    What is the most severe type of hearing loss you can get from cerumen impaction?
    • 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. 
    The passageway leading from the nasopharynx to the anterior wall of the ME is

  • 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?

Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz
We have sent an email with your new password.