Ch. 28 Face and Neck Injuries Flashcards

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1
Q

Air embolism

A

The presence of air in the veins, which can lead to cardiac arrest if it enters the heart.

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2
Q

Anisicoria

A

Naturally occuring uneven pupil size.

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3
Q

Blow-out fracture

A

A fracture of the orbit or of the bones that support the floor of the orbit.

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4
Q

Conjunctiva

A

The delicate membrane that lines the eyelids and covers the esposed surfact of the eye.

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5
Q

Conjunctivitis

A

Inflammation of the conjunctiva.

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6
Q

Cornea

A

The transparient tissue layer in front of the pupil and iris of the eye.

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7
Q

Eustachian tube

A

A tube that connects the middle ear to the oropharynx.

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8
Q

External auditory canal

A

The ear canal; leads to the tympanic membrane.

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9
Q

Globe

A

The eyeball.

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10
Q

Iris

A

The muscle and surrounding tissue behind the nornea that dilate and constrict the pupil, regulating the amount of light that enters the eye; pigment in this tissue gives the eye its color.

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11
Q

Lacrimal glands

A

The glands that produce fluids to keep the eye moist; also called tear glands.

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12
Q

Lens

A

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

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13
Q

Mastoid process

A

The prominent bony mass at the base of the skull about 1 inch (2.5cm) posterior to the external opening of the ear.

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14
Q

Optic nerve

A

A cranial nerve (II) that transmits visual information to the brain.

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15
Q

Pinna

A

The external, visible part of the ear.

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16
Q

Pupil

A

The circular, opening in the middle of the iris that admits light to the back of the eye (retina).

17
Q

Retina

A

The light-sensitive area of the eye where images are projected; a layer of cells at the back of the eye that ganges the light image into electic impulses, which are carried by the optic nerve to the brain.

18
Q

Retinal detachment

A

Separation of the retina from its attachments at the back of the eye.

19
Q

Sclera

A

The tough, fibrous, white portion of the eye that protects the more delicate inner structures.

20
Q

Sternocleidomastoid muscles

A

The muscles on either side of the neck that allow movement of the head.

21
Q

Subcutaneous emphysema

A

A characteristic crackling sensation felt on palpation of the skin, caused by the presence of air in soft tissues.

22
Q

Temporomandibular joint

A

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

23
Q

Tragus

A

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

24
Q

Turbinates

A

Layers of bone withing the nasal cavity.

25
Q

Tympanic membrane

A

The eardrum; a thin, semitransparent membrane in the middle of the ear that transmits sound vibrations to the internal ear by means of auditory ossicles.