Ear Canal Anatomy

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Which bone is in contact with the eardrum?

Incus

Cochlea

Stapes

Malleus (correct)

What is the shape of the stapes bone?

Triangle

Rectangle

Horseshoe (correct)

Circular

Where does the stapes bone tap the vibrations?

Inner ear

Middle ear

Oval window of the cochlea (correct)

Eardrum

What is the outer surface of the cochlea lined with?

Microscopic hairs Signup and view all the answers

How do the vibrations of the sound waves affect the cochlea?

Cause the fluid to vibrate Signup and view all the answers

What determines how the hairs are moved in the cochlea?

Source of the sound Signup and view all the answers

What happens when the hairs in the cochlea move?

They activate electrical signals Signup and view all the answers

Where are the electrical signals interpreted as sound?

Brain Signup and view all the answers

What is the function of the oval window of the cochlea?

Separates the middle ear and inner ear Signup and view all the answers

What is the cochlea filled with?

Fluid Signup and view all the answers

Ear Canal Anatomy

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Questions and Answers

Which bone is in contact with the eardrum?

What is the shape of the stapes bone?

Where does the stapes bone tap the vibrations?

What is the outer surface of the cochlea lined with?

How do the vibrations of the sound waves affect the cochlea?

What determines how the hairs are moved in the cochlea?

What happens when the hairs in the cochlea move?

Where are the electrical signals interpreted as sound?

What is the function of the oval window of the cochlea?

What is the cochlea filled with?

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