CH. 18: Senses - EYES

Question 1

scler/o

Answer 1

sclera

Question 2

corne/o, kerat/o

Answer 2

cornea

Question 3

lent/i, phak/o, phac/o

Answer 3

lens

Question 4

uve/o

Answer 4

uvea

Question 5

chori/o, choroid/o

Answer 5

choroid

Question 6

cycl/o

Answer 6

ciliary body, ciliary muscle

Question 7

ir, irit/o, irid/o

Answer 7

iris

Question 8

pupill/o

Answer 8

pupil

Question 9

retin/o

Answer 9

retina

Question 10

-opsia

Answer 10

vision

Question 11

-opia

Answer 11

eye, vision

Question 12

opt/o

Answer 12

eye, vision

Question 13

ocul/o, ophthalm/o

Answer 13

eye

Question 14

blephar/o, palpebr/o

Answer 14

eyelid

Question 15

dacry/o, lacrim/o

Answer 15

tear, lacrimal apparatus

Question 16

dacryocyst/o

Answer 16

lacrimal sac

Question 17

3 layers of the wall of the eyes (out to in)

Answer 17

sclera, uvea (middle layer), retina

Question 18

commonly called white of the eye; tough surface protective layer; extends over the eye’s anterior portion as the transparent cornea

Answer 18

sclera

Question 19

what does the uvea consist of? Hint: 3 answers

Answer 19

choroid, ciliary body, iris

Question 20

provides nourishment for the retina

Answer 20

choroid

Question 21

contains a muscle that controls the shape of the lens to allow for near and far vision

Answer 21

ciliary body

Question 22

lens must become more rounded for viewing _______ objects

Answer 22

close

Question 23

controls the size of the pupil, thus regulating the amount of light that enters the eye

Answer 23

iris

Question 24

innermost layer of the uvea and the actual visual receptor

Answer 24

retina

Question 25

retina contains two types of specialized cells that respond to light. what are they?

Answer 25

rods and cones

Question 26

function in dim light, provide low visual acuity (sharpness), do not respond to color

Answer 26

rods

Question 27

active in bright light, have high visual acuity, and respond to color

Answer 27

cones

Question 28

Adjustment of the lens’s curvature to allow for vision at various distances

Answer 28

accommodation

Question 29

The tiny depression in the retina that is the point of sharpest vision; fovea centralis, central fovea

Answer 29

fovea

Question 30

An eyelid; a protective fold (upper or lower) that closes over the anterior surface of the eye (roots: palpebr/o, blephar/o); adjective: palpebral; plural: palpebrae

Answer 30

palpebra

Question 31

The bending of light rays as they pass through the eye to focus on a specific point on the retina; also the determination and correction of ocular refractive errors

Answer 31

refraction

Question 32

The transparent jelly-like mass that fills the eyeball’s main cavity; also called vitreous humor

Answer 32

vitreous body

Question 33

A small spot or colored area; used alone to mean the yellowish spot in the retina that contains the fovea

Answer 33

macula