Chapter 25: Face and Neck Injuries

Question 1

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

Answer 1

air embolism

Question 2

Naturally occurring uneven pupil size

Answer 2

anisocoria

Question 3

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

Answer 3

blowout fracture

Question 4

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

Answer 4

conjunctiva

Question 5

The transparent tissue layer in front of the pupil and iris of the eye

Answer 5

cornea

Question 6

A branch of the internal auditory canal that connects the middle ear to the oropharynx

Answer 6

eustachian tube

Question 7

The ear canal; leads to the tympanic membrane

Answer 7

external auditory canal

Question 8

The eyeball

Answer 8

globe

Question 9

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

Answer 9

iris

Question 10

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

Answer 10

lacrimal glands

Question 11

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

Answer 11

lens

Question 12

The prominent bony mass at the base of the skull about 1” posterior to the external opening of the ear.

Answer 12

mastoid process

Question 13

A cranial nerve that transmits visual information to the brain

Answer 13

optic nerve

Question 14

The external, visible part of the ear

Answer 14

pinna

Question 15

The circular opening in the middle of the iris that admits light to the back of the eye

Answer 15

pupil

Question 16

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

Answer 16

retina

Question 17

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

Answer 17

retinal detachment

Question 18

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

Answer 18

sclera

Question 19

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

Answer 19

sternocleidomastoid muscles

Question 20

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

Answer 20

subcutaneous emphysema

Question 21

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

Answer 21

temporomandibular joint

Question 22

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

Answer 22

tragus

Question 23

Layers of bone within the nasal cavity

Answer 23

turbinates

Question 24

The eardrum, which lies between the external and middle ear

Answer 24

tympanic membrane