2.4 Quiz

Question 1

Superior oblique muscle

Answer 1

Rotates eye downward and away from the midline

Question 2

Inferior oblique muscle

Answer 2

Rotates eye upward and away from the midline

Question 3

Superior rictus muscle

Answer 3

Rotates the eye upward and towards the midline

Question 4

Medial rectus muscle

Answer 4

O taut elastic muscle, pulls eye towards the nose

Question 5

Lateral rictus muscle

Answer 5

Rotates eye away from the midline

Question 6

Inferior rictus muscle

Answer 6

Rotates eye downward, towards the midline

Question 7

Cornea

Answer 7

Protects eye structures, refractive, bend light, 5 layers: epithelium, bowman’s layer, stroma, descemet’s membrane and the endothelium /lll dome shape covers surface

Question 8

Sclera

Answer 8

Supporting wall of the eye ball, covered by conductiva, layered protective body

Question 9

Aqueous humor

Answer 9

Transparent thin fluid s similar to , gives the eye shape, nourishes cornea and lens, transports vitamin c in front segment to act as antioxidant agent

Question 10

Iris

Answer 10

Regulates amount of light let into the retina in order to clear create images of observed objects at various distances

Question 11

Pupil

Answer 11

Lets light into eye and the iris muscles change shape, opening in the center of the iris.

Question 12

Ciliary muscles

Answer 12

Elongated triangle shape, changes shape of lens when eye focuses on a near object, changes thickness of the lens curvature

Question 13

Lens

Answer 13

Transmits and focuses the light onto the retina in order to create clear images of observed objects at various distances/ capsule, epithelium fibers

Question 14

Vitreous humor

Answer 14

Maintains the round shape of the eye, composed of water collagen, glucoadminoglycans / electrolytes, and proteins

Question 15

Retina

Answer 15

Layer of photoreceptors and glial cells that capture incoming photons and signals transmits to the Brain

Question 16

Tapetum

Answer 16

Thick single called nutritive layer found behind the epidermis and endodermis, absorbs nutrition from the middle layer and provide it to the microsporocytes

Question 17

Blind spot

Answer 17

Optic nerve exits eye @ retina → brain, no receptors = blind spot, brain ignores visual input

Question 18

Optic nerve

Answer 18

Relay messages from eye to the brain, made of millions of fibers

Question 19

Hyperopia

Answer 19

Far-sighted ness

Question 20

Myopia

Answer 20

Near-sightedness

Question 21

Concave lens

Answer 21

Caved lens, thinner in the midline and thicker at the edges

Question 22

Convex lens

Answer 22

Lenses that are thicker at their centers than their edges

Question 23

LASIK

Question 24

Age-related macular degeneration

Answer 24

Loss in the center field of vision, blurred, partial loss, fatty deposits @retina, to solve needs laser surgery, glasses, vitamins

Question 25

Glaucoma

Answer 25

Group of eye diseases that cause vision loss a blindness damaging the optic nerve.

Question 26

Retinas pigmentosa

Answer 26

Genetic disorder, loss of vision, tunnel vision, peripheral vision worsens

Question 27

Cataracts

Answer 27

Aging / injury that changes lens tissue clouding of the normally clear lens, needs surgery

Question 28

Colorblindness

Answer 28

A reduced ability to distinguish between certain colors, inherited - men

Question 29

Cover test

Question 30

Ocular motility test

Question 31

Retraction test

Question 32

Slit lamp exam