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Special Senses: Vision

Total questions: 22

Worksheet time: 7mins

Name
Class
Date
1.

Which eye muscle is not associated with CN III?

a)

Superior Rectus

b)

Levator Palpebrae Superioris

c)

Superior Oblique

d)

Inferior Oblique

2.

Which eye muscle is associated with CN VI?

a)

superior rectus

b)

inferior rectus

c)

medial rectus

d)

lateral rectus

3.

Which eye muscle elevates the eye lid?

a)

Superior Rectus

b)

Levator Palpebrae Superioris

c)

Superior Oblique

d)

Inferior Oblique

4.

Which eye muscle closes the eye lid?

a)

inferior oblique

b)

orbicularis oris

c)

inferior rectus

d)

orbicularis oculi

5.

Which eye muscle adducts the eye?

a)

Lateral rectus

b)

Superior rectus

c)

Inferior rectus

d)

Medial rectus

6.

Which eye muscle moves the eye superiorly?

a)

Lateral rectus

b)

Superior rectus

c)

Inferior rectus

d)

Medial rectus

7.

Tears to cleanse eye are made and released from here.

a)

lacrimal gland

b)

nasolacrimal duct

c)

lacrimal sac

d)

nasal cavity

8.

Part of eye that muscles attach to.

a)

cornea

b)

sclera

c)

choroid

d)

retina

9.

Part of eye that rods & cones are found.

a)

cornea

b)

sclera

c)

choroid

d)

retina

10.

Layer of eye that nourishes rods & cones.

a)

cornea

b)

sclera

c)

choroid

d)

retina

11.

Which is the blind spot?

a)

Macula

b)

Fovea

c)

Optic disc

d)

Lens

12.

Which has highest concentration of cones?

a)

Macula

b)

Fovea

c)

Optic disc

d)

Lens

13.

Which area has first decline toward blindness?

a)

Macula

b)

Fovea

c)

Optic disc

d)

Lens

14.

Which keeps the retina against the choroid?

a)

gravity

b)

fat

c)

aqueous fluid

d)

vitreous chamber fluid

15.

Which nerve carries sight information to the brain?

a)

CN I

b)

CN II

c)

CN III

d)

CN VII

16.

Area where medial visual field nerve information crosses to opposite side of brain.

a)

Optic Nerve

b)

Optic Disc

c)

Optic Chiasm

d)

Optic Tract

17.

Usual % of red cones in humans?

a)

10%

b)

16%

c)

46%

d)

74%

18.

What % of males: females are color blind?

a)

<1%:<1%

b)

<1%: 10%

c)

10%: <1%

d)

10%: 10%

19.

Photorecptor layer responsible for color vision.e

a)

rods

b)

cones

c)

both

d)

neither

20.

Photoreceptor layer responsible for dim light & shape vision.

a)

rods

b)

cones

c)

both

d)

neither

21.

Photoreceptor layer responsible for vision.

a)

rods

b)

cones

c)

both

d)

neither

22.

Normal visual acuity.

a)

10:10

b)

10:20

c)

20:20

d)

20:10