Lab Notes Eyes

Question 1

All eye muscles

Answer 1

Oculumotor nerve 3 cranial

Question 2

Controls superior oblique

Answer 2

4 th cranial nerve trochulear

Question 3

Lateral rectus it abducts eyeball

Answer 3

6th cranial nerve abducens

Question 4

3 major tunics

Answer 4

Fibrous

Vascular

Neural

Question 5

Mostly controls dense Ct collagen

Answer 5

Fiberous tunic

Question 6

Provides shape and support point of attachment for extraocular muscles

Answer 6

Sclera

Fibrous tunic

Question 7

Translucent portion of fibrous tunic

It allows photons of light to enter the front of eye

Answer 7

Cornea

Fibrous tunic

Question 8

Sclera
Cornea

Answer 8

Fibrous tunic

Question 9

Vascular tunic

Answer 9

Choroid
Ciliary Body
Iris muscle

Question 10

Network of that allow blood flow into out of the eye

Answer 10

Choroid

Question 11

Ciliary body made up of 3

Answer 11

Ciliary muscle
Suspended ligaments
Lens

Question 12

Controls the shape of lens for accommodation

Answer 12

Ciliary muscle

Question 13

Ligaments attached to the lens to ciliary muscle

Answer 13

Suspended ligaments

Question 14

Focus photos of light into retina

Answer 14

Lens

Question 15

Structure that controls the size of the pupil regulate the amount of light that enters the back of eye

Answer 15

Iris muscle

Question 16

Layer of cells that contain pigments that absorb photons that lie outside the visible spectrum

Answer 16

Pigmented epithelium

Question 17

Retina has 3 layers of neurons

Answer 17

Photoreceptors contain pigments that absorb photons that lie within the visible spectrum

Bipolar cells 1st order neuron pass signal to ganglion cells

Ganglion cells visual signals out the optic nerve to the brain

Question 18

Photon of light hits the sclera it will

Answer 18

Reflect or bounce off

Question 19

Pigmented epithelium

Retina

Answer 19

Neural tunic