Chapter 8

Question 1

Retina

Answer 1

Contains millions of photoreceptors (rods and cones)

Question 2

Sclera

Answer 2

White of eye

Question 3

Optic disc

Answer 3

Blind spot; where optic nerve leaves the eye

Question 4

Iris

Answer 4

pigmented involuntarily muscle that acts as the diaphragm of the eye

Question 5

Ciliary body

Answer 5

Smooth muscle structures attached to the lens

Question 6

Choroid

Answer 6

Blood rich tunic that contains dark pigment

Question 7

Lens

Answer 7

Flexible biconvex crystal like structure

Question 8

Pupil

Answer 8

Rounded opening through which light passes; dim light big pupil, bright light small pupil

Question 9

Fovea centralis

Answer 9

Are of greatest visual acuity

Question 10

Cornea

Answer 10

Transparent portion of the eye outer most layer

Question 11

Vitreous humor

Answer 11

Gel like substance helps keeps the eye from collapsing

Question 12

Lacimal

Answer 12

Tears

Question 13

Aqueous humor

Answer 13

Clear watery fluid

Question 14

Auricle (Pinna)

Answer 14

She’ll shaped structure surrounding the auditory canal

Question 15

Tympanic membrane

Answer 15

Sound waves hit it to make it vibrate

Question 16

Malleus

Answer 16

1 of 3 ossicle transmit vibratory motion of the eardrum to the fluid of the inner ear

Question 17

Semicircular canals

Answer 17

Bony or Ossetia labyrinth located deep within the temporal bone behind the eye socket