The Ear, Hearing, and Balance

______ vibrates and transmits sound to ossicles

• A

• B

• K

• J

I is

• round window

• oval window

• tympanic membrane

• cochlea

Which of the below structures acts to convert sound waves to vibrations?

• cochlea

• pinna

• tympanic membrane

• Organ of Corti

• vestibulocochlear nerve

Which of the below structures converts vibrations to action potentials?

• organ of corti

• tympanic membrane

• round window

• ossicles bone

Which of the below structures senses dynamic equilibrium?

• maccule of vestibule

• choclea

• semicircular canas

• vestibulocochlear nerve

Which structure allows upper respiratory infections to spread from the throat to the tympanic cavity?

• oval window

• cochlear duct

• auditory canal

• eustachian tube

Which of these is most vulnerable to irreversible damage caused by a very loud noise?

• the ossicles

• choclear hair cells

• the tympanic membrane

• fibers of the cochlear nerve

When you spin while sitting in a swivel chair with your eyes closed, you can sense this movement by

means of your

• cochlea

• saccule

• semicircular ducts

• utricle

The structure that divides the outer ear from the middle ear is the

• tympanic membrane

• auricle

• vestibule

• cochlea

The vibration of sound waves causes the eardrum to vibrate against the first ossicle, known as

• stapes
• malleus
• incus
• otolith

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