ch28 (face and neck injuries) Flashcards

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1
Q

tragus

A

small, rounded fleshy bulge that lies anterior to the ear canal

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2
Q

mastoid process

A

bony mass at the base of the skull posterior to the external opening of the ear

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3
Q

temporomandibular joint

A

joint formed where the mandible and cranium meet, in front of the ear

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4
Q

sternocleidomastoid muscles

A

muscles on either side of the neck; allow movement of the neck

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5
Q

globe

A

eyeball

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6
Q

conjuctiva

A

membrane that lines the eyelids and covers the exposed surface of the eye

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7
Q

lacrimal glands

A

glands that produce fluids to keep the eye moist (tear glands)

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8
Q

sclera

A

the white of the eye; tough fibrous tissue

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9
Q

cornea

A

clear transparent membrane that allows light to enter the eye

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10
Q

iris

A

dilate and constrict the pupil; regulating the amount of light that enters the eye and gives the eye its color

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11
Q

pupil

A

opening in the center of the iris; allows light to move to the back of the eye

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12
Q

the pupil becomes ________ in bright light

A

smaller

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13
Q

the pupil becomes ___________ in dim light

A

larger

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14
Q

anisocoria

A

ppl born with pupils that are not equal

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15
Q

unequal pupil size may indicate

A

injury/illness of the brain or eye

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16
Q

lens

A

transparent part of the eye through which images are focused on the retina

17
Q

retina

A

light-sensitive area of the eye where images are projected; changes the light image into electric impulses which are carried by the optic nerve to the brain

18
Q

optic nerve

A

cranial nerve that transmits visual information to the brain

19
Q

retinal detachment

A

separation of the retina from its attachments at the back of the eye

20
Q

retinal detachment

A
21
Q

conjunctivitis

A

when the conjuctiva becomes red and inflamed

22
Q

blow-out fracture

A

blunt trauma that causes a fracture of the orbit

23
Q

air embolism

A

air in the veins; can lead to cardiac arrest if it enters the heart

24
Q

Eustachian tube

A

tube that connects the middle ear to the oropharynx

25
Q

external auditory canal

A

ear canal; leads to the tympanic membrane

26
Q

subcutaneous emphysema

A

crackling felt on palpation of the skin caused by air in soft tissues

27
Q

turbinates

A

layers bone within the nasal cavity

28
Q

tympanic membrane

A

the eardrum; transmits sound vibrations to the internal ear by auditory ossicles