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Anatomy > Outline 16- The Ear > Flashcards

Outline 16- The Ear Flashcards

1
Q

What is pinna?

A

Outer auricle of ear

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2
Q

What is tragus?

A

Has intertragic notch

Antitragus

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3
Q

What does the helix consist of?……

A

Crux
Auricular notch
Lobule or lobe

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4
Q

Antihelix?……..

A

Also has the crura

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5
Q

External acoustic meatus means what?

A

Opening of ear

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6
Q

Concha of auricle means what?

A

Inside ear

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7
Q

Middle ear ……..
At bottom of ear canal?
Where ear drum is?

A

Yes

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8
Q

What is another name for ear drum?

A

Tympanic membrane

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9
Q

Outer ear has 5 main areas…. Name them

A 
Pinnacle
Tragus 
Helix
Anti helix
External acoustic meatus
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10
Q

Ear drum considered like warden of gate for middle ear?

A

Yes

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11
Q

When there is no reflection on cone of light of tympanic membrane what could this mean?

A

Fluid in ear
Tidis media
Something is wrong

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12
Q

When eardrum vibrates…..
It moves malleus…..
That hammer through joint of incus and stapes….
And transmits vibration?

A

Yes

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13
Q

Middle ear drain through eustation tube?

A

Yes

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14
Q

Can an ear infection lead to meningitis?

A

Yes

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15
Q

When one is sick with cold or ear infection what swells shut?

A

Mucosa

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16
Q

So ossicular chain goes from eardrum, vibration is transmitted thru bone?

A

Yes

17
Q

What type of joints are between bones in ear?

A

Synovial joints

18
Q

So…..
Foot of stapes is pressed against oval window and oval window is membrane ours reflection of timpani can membrane so when membranous window vibrates ossicular chain…… Does it move fluid in inner ear?

A

Yes

19
Q

We hear because of movement of fluid?

A

Yes

20
Q

Is the inner ear open to aire?

A

No

21
Q

Is inner ear fluid filled?

A

Yes

22
Q

Change in pressure of inner ear inform the body of orientation (lying down, standing)?

A

Yes

23
Q

Fluid movement in chicle a transmits …?

A

Pitch

24
Q

Are semicircular canals and cochlea closed systems?

A

Yes

25
Q

What is tambour?

A

Quality of sound

26
Q

Do we hear because of mechanical movement?

A

Yes

27
Q

Is chicle a organ of hearing( austere)?

A

Yes

Anatomy (7 decks)

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