Ch 25 Vocab Flashcards Preview

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Flashcards in Ch 25 Vocab Deck (24):
0

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

Air embolism

1

Naturally occurring uneven pupil size

Anisocoria

2

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

Blowout fracture

3

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

Conjunctiva

4

Inflammation of the conjunctiva

Conjunctivitis

5

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

Cornea

6

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

Eustachian tube

7

The ear canal; leads to the tympanic membrane

External auditory canal

8

The eyeball

Globe

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

Iris

10

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

Lacrimal glands

11

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

Lens

12

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

Mastoid process

13

A cranial nerve that transmits visual information to the brain

Optic nerve

14

The external, visible part of the ear

Pinna

15

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

Pupil

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

Retina

17

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

Retinal detachment

18

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

Sclera

19

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

Subcutaneous emphysema

20

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

Temporomandibular joint

21

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

Tragus

22

Layers of bone within the nasal cavity

Turbinates

23

The eardrum, which lies between the external and middle ear

Tympanic membrane