Eye

Question 1

How many nerve fibers in optic tracts

Answer 1

Millions

Question 2

Eyes are protected by

Answer 2

Eyelids

Question 3

Conjunctiva

Answer 3

Lines eyelids and covers part of the outer surface of the eyeball

Question 4

Lacrimal apparatus

Answer 4

Lacrimal gland and ducts. Drains lacrimal secretions into nasal cavity

Question 5

Lacrimal glands

Answer 5

Lateral end of each eye

Question 6

Lacrimal canaliculi

Answer 6

Where tears go

Question 7

Six eye muscles

Answer 7

Lateral rectus 
Medial rectus 
Superior rectus 
Interior rectus 
Inferior oblique 
Superior oblique

Question 8

Sclera and cornea

Answer 8

Protective thick and connective tissue

The window which light enters through

Question 9

Choroid

Answer 9

Contains dark pigment that prevents light from scattering inside the eye

Question 10

Ciliary body

Answer 10

Lens attached by suspensory ligament or ciliary zonule then the iris

Question 11

Retina

Answer 11

Sensory layer

Extends to ciliary body

Question 12

Rods and cones

Answer 12

Photoreceptors

Question 13

Fovea centralis

Answer 13

Tiny pity that contains only cones

Question 14

Anterior segment

Answer 14

Aqueous humor

Question 15

Posterior segment

Answer 15

Vitreous humor

Question 16

Optic chiasma

Answer 16

Cross over

Question 17

Optic tracts

Answer 17

Fiber tracts that result from crossing over

Question 18

What percent of sensory receptors are in the eyes

Answer 18

70

Question 19

Structures light passes through

Answer 19

Sclera cornea pupil retina lens optic nerve optic disc

Question 20

More cones than rods?

Answer 20

False