ch28 (face and neck injuries)

Question 1

tragus

Answer 1

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

Question 2

mastoid process

Answer 2

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

Question 3

temporomandibular joint

Answer 3

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

Question 4

sternocleidomastoid muscles

Answer 4

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

Question 5

globe

Answer 5

eyeball

Question 6

conjuctiva

Answer 6

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

Question 7

lacrimal glands

Answer 7

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

Question 8

sclera

Answer 8

the white of the eye; tough fibrous tissue

Question 9

cornea

Answer 9

clear transparent membrane that allows light to enter the eye

Question 10

iris

Answer 10

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

Question 11

pupil

Answer 11

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

Question 12

the pupil becomes ________ in bright light

Answer 12

smaller

Question 13

the pupil becomes ___________ in dim light

Answer 13

larger

Question 14

anisocoria

Answer 14

ppl born with pupils that are not equal

Question 15

unequal pupil size may indicate

Answer 15

injury/illness of the brain or eye

Question 16

lens

Answer 16

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

Question 17

retina

Answer 17

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

Question 18

optic nerve

Answer 18

cranial nerve that transmits visual information to the brain

Question 19

retinal detachment

Answer 19

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

Question 20

retinal detachment

Question 21

conjunctivitis

Answer 21

when the conjuctiva becomes red and inflamed

Question 22

blow-out fracture

Answer 22

blunt trauma that causes a fracture of the orbit

Question 23

air embolism

Answer 23

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

Question 24

Eustachian tube

Answer 24

tube that connects the middle ear to the oropharynx

Question 25

external auditory canal

Answer 25

ear canal; leads to the tympanic membrane

Question 26

subcutaneous emphysema

Answer 26

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

Question 27

turbinates

Answer 27

layers bone within the nasal cavity

Question 28

tympanic membrane

Answer 28

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