Ch 22 Key Terms

Question 1

anisocoria

Answer 1

unequal size of the pupils.

Question 2

blowout fracture

Answer 2

an injury caused by direct trauma to the eye or face that fractures the bony eye socket; can entrap the muscles that enable normal eye movement.

Question 3

cornea

Answer 3

the clear but highly sensitive surface of the eye that refracts light entering into the visual system.

Question 4

epistaxis

Answer 4

nosebleed

Question 5

external auditory canal

Answer 5

the passageway through the outer ear that ends at the tympanic membrane.

Question 6

hyphema

Answer 6

blood in the anterior chamber of the eye.

Question 7

lacrimal gland

Answer 7

glands that produce tears, which irrigate the surface of the eye.

Question 8

mandible

Answer 8

the jaw bone.

Question 9

maxilla

Answer 9

the bone of the mid-face; the cheek bone.

Question 10

orbit

Answer 10

the bony socket of the eyeball.

Question 11

retinal detachment

Answer 11

separation of the retina from the inside of the posterior wall of the eyeball.

Question 12

sternocleidomastoid muscle

Answer 12

the powerful muscle at the sides of the neck that facilitate turning of the head.

Question 13

subcutaneous emphysema

Answer 13

air-filled bubbles that are palpable underneath the skin; indicates an injury to an airway structure.