The Ear Flashcards

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1
Q

sensory receptors are used for 2 things:

A

hearing and equilibrium

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2
Q

4 main structures of the ear

A

auricle, external ear, middle ear, and inner ear

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2
Q

sensory information is carried to the brain by the

A

vestibulocochlear nerve

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3
Q

cochlear nerve controls

A

hearing information

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4
Q

vestibular nerve controls

A

balance information

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5
Q

where sound waves travel is called the

A

auditory canal

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6
Q

the eardrum is called the

A

tympanic membrane

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7
Q

the tympanic membrane separates

A

external ear from middle ear

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8
Q

ear contains 3 bones called

A

ossicles

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8
Q

the 3 ossicles are

A

malleus, incus, stapes

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9
Q

auditory tube that connects nasopharynx with middle ear. opens with each swallow, and equalizes pressure between middle ear cavity and atmospheric pressure

A

eustachian tube

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10
Q

inner ear is also called

A

labyrinth

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11
Q

how the ossicles work to produce sound

A

tympanic membrane vibrates malleus, vibrations amplify as they move from one ossicle to the next, stapes transmits vibration to oval window

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12
Q

oval window is the

A

start of the inner ear

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