eyes and ears

Question 1

opt/i, opt/o, optic/o, ophthalm/o

Answer 1

eyes

Question 2

ir/i, ir/o, irid/o, irit/o

Answer 2

iris

Question 3

phac/o, phak/o

Answer 3

lens

Question 4

retin/o

Answer 4

retina

Question 5

dacryocyst/o, lacrim/o

Answer 5

lacrimal apparatus

Question 6

acous/o, acoust/o, audi/o, audit/o, ot/o

Answer 6

ears

Question 7

pinn/i

Answer 7

outer ear

Question 8

myring/o, tympan/o

Answer 8

middle ear

Question 9

labyrinth/o

Answer 9

inner ear

Question 10

bony cavity of skull that contains and protects the eyeball and associated muscles, blood vessels, and nerves

Answer 10

orbit

Question 11

superior and inferior oblique muscles; superior and inferior rectus muscles; lateral and medial rectus muscles

Answer 11

six major eye muscles

Question 12

coordination of eye muscles allowing for depth perception

Answer 12

binocular vision

Question 13

ability to see things in three dimensions

Answer 13

depth perception

Question 14

provide protection form foreign matter, excessive light, and injuries

Answer 14

eyelids, eyebrows, and eyelashes

Question 15

angle where upper and lower eyelids meet

Answer 15

canthus

Question 16

small hair making up eyebrows/eyelashes

Answer 16

cilia

Question 17

framework within upper and lower eyelids providing necessary stiffness and shape

Answer 17

tarsal plates

Question 18

transparent mucous membrane lining under side of the eyelid protecting the exposed surface of the eyeball

Answer 18

conjunctiva

Question 19

secrete lacrimal fluid (tears)

Answer 19

lacrimal glands

Question 20

ducts at the inner corner of the eyes

Answer 20

lacrimal canal

Question 21

tear sac

Answer 21

lacrimal sac

Question 22

drains tears

Answer 22

lacrimal duct (nasolacrimal duct)

Question 23

pertaining to the eye

Answer 23

ocular

Question 24

outside the eyeball

Answer 24

extraocular

Question 25

within the eyeball

Answer 25

intraocular

Question 26

white of the eye; maintains shape and protects delicate inner layers of tissue

Answer 26

sclera

Question 27

opaque middle layer of eyeball; provides blood supply to the entire eye

Answer 27

choroid

Question 28

innermost layer lining posterior segment of the eye; receives nerve impulses and transmits them to the brain via optic nerve

Answer 28

retina