Chapter 14

Question 1

Functions of the eye

Answer 1

The ocular system is responsible for vision

Question 2

Combining form for eye or sight

Answer 2

opt/i, opt/o, optic/o, ocul/o, and
ophthalm/o

Question 3

Orbit

Answer 3

Bony cavity of skull that contains the eyeball

Question 4

Eyelids combining form

Answer 4

Also called Palpebrae
blephar/o

Question 5

Conjunctiva is and combining form

Answer 5

membrane lining eyelids and covering the non-corneal parts of the eye
Conjunctiv/o is the combining form

Question 6

Lacrimal apparatus is and combining form

Answer 6

structures that produce, store and remove tears
Lacrim/o and dacry/o are the combining forms

Question 7

Structures of the eyeball

Answer 7

sclera = outer layer – white of the eye

Question 8

Sclera combining form

Answer 8

scler/o

Question 9

Cornea is and combining form

Answer 9

The transparent anterior portion is
called the cornea.
Combining forms for cornea are corne/o and kerat/o.

Question 10

Chorioid of the eye

Answer 10

middle layer
Contains blood vessels
Combining form is choroid/o

Question 11

Tapetum lucidum

Answer 11

iridescent reflective layer of choroid

Question 12

Retina

Answer 12

inner layer
Nervous tissue layer that receives images
Combining form is retin/o.

Question 13

Accommodation

Answer 13

Process of eye adjustments for seeing objects at various distances

Question 14

Fluorescein dye stain

Answer 14

 Test to detect corneal injury

Question 15

Ophthalmoscopy

Answer 15

 Procedure used to examine the interior eye structures

Question 16

Tonometry

Answer 16

Procedure using an instrument to measure intraocular pressure indirectly

Question 17

Aniscoria

Answer 17

Condition of unequal pupil size

Question 18

Blepharospasm

Answer 18

 Rapid involuntary contractions of the eyelid

Question 19

Cataract

Answer 19

 Cloudiness or opacity of the lens

Question 20

Conjunctivitis

Answer 20

 Inflammation of the conjunctiva

Question 21

 Keratoconjunctivitis

Answer 21

 Inflammation of cornea and conjunctiva

Question 22

Proptosis

Answer 22

 displacement of the eye from the orbit

Question 23

Keratocentisis

Answer 23

 Puncture of the cornea to aspirate
aqueous humor

Question 24

Combining form for ear

Answer 24

audit/o, aud/i, and ot/o

Question 25

Functions of the ear

Answer 25

The ear is the sensory organ that enables hearing and helps to maintain balance

Question 26

Combining form for sound/hearing

Answer 26

acoust/o and acous/o

Question 27

Pinna

Answer 27

(auricle)  catches and then transmits sound waves  Pinn/i is the combining form.  Aur/i and aur/o also mean external ear

Question 28

Outer ear structures

Answer 28

Pinna and externa auditory canal

Question 29

External auditory canal

Answer 29

Tube that transmits sound from the pinna to the tympanic membrane  Glands secrete cerumen here

Question 30

Middle ear structure

Answer 30

Tympanic membrane

Question 31

Tympanic membrane

Answer 31

"eardrum”  Transmits sound waves to the ossicles (bones)  Tympan/o and myring/o mean eardrum.

Question 32

Inner ear structures

Answer 32

Chochlea

Question 33

Cochlea

Answer 33

Organ of hearing Cochle/o means snail or spiral

Question 34

Otitis

Answer 34

 Inflammation of the ear

Question 35

Otitis interna

Answer 35

Inflammation of inner ear

Question 36

Panotitis

Answer 36

Inflammation of all ear parts

Question 37

Otopyorrhea

Answer 37

 Pus discharge from the ear

Question 38

Ablation

Answer 38

Removal of a part

Question 39

Myringectomy

Answer 39

Surgical removal of all or part of the eardrum

Question 40

Otoplasty

Answer 40

Surgical repair of the ear

Question 41

AD

Answer 41

Right ear

Question 42

AS

Answer 42

Left ear

Question 43

AU

Answer 43

both ears

Question 44

OD

Answer 44

Right eye

Question 45

OS

Answer 45

Left eye

Question 46

OU

Answer 46

Both eye

Question 47

PLR

Answer 47

Pupillary light response

Question 48

ERG

Answer 48

Electroretinogram

Question 49

IOP

Answer 49

Intraocular pressure

Question 50

KCS

Answer 50

Keratoconjuctivitis sicca