Eye

Question 1

Where do tears accumulate?

Answer 1

lacrimal caruncle

Question 2

Lacrimal gland is mainly controlled by parasympathetics from

Answer 2

CN VII (facial)

Question 3

Eyelashes have two glands

Answer 3

sebaceous (of Zeis)
apocrine sweat (of Moll)

Question 4

The …. forms each eyelid

Answer 4

tarsal plate

Question 5

Tarsal plate glands

Answer 5

tarsal glands or Meibomian

Question 6

Tears consist of 3 layers

Answer 6

lipid layer from Meibomian
aqueous layer from lacrimal glands
mucous layer from conjunctival goblet cells

Question 7

Sty

Answer 7

sebaceous glands are blocked

Question 8

Chalazion

Answer 8

blockage of tarsal glands

Question 9

2 major eyelid muscles and 1 minor

Answer 9

levator palpebrae superioris
superior tarsal
frontalis

Question 10

Levator palpbrae superioris function

Answer 10

main elevator of eyelid

Question 11

Superior tarsal function

Answer 11

sympathetic innervation to upper eyelide

Question 12

Frontalis muscle function

Answer 12

minor in a raising eyelid

Question 13

One muscle closes the eyelids

Answer 13

orbicularis oculi muscle

Question 14

At the apex of the orbit is the …

Answer 14

superior orbital fissure

Question 15

The superior orbital fissure transmits the following structures into the orbit

Answer 15

oculomotor
trochlear
ophthalmic division of CN V1
abducens 
superior ophthalmic vein

Question 16

Optic canal transmits the … and … off the internal carotid artery.

Answer 16

optic CN II and ophthalmic artery

Question 17

Exophthalmos

Answer 17

slight protrusion of eyes from Graves’ disease or hyperthyroidism

Question 18

Four rectus muscles arise from ….

Answer 18

common tendinous ring

Question 19

The superior oblique muscle runs through a

Answer 19

pulley

Question 20

Oculomotor nerve innervates all the extraocular eye muscles except

Answer 20

lateral rectus and superior oblique

Question 21

Lateral rectus muscle is innervated by…

Superior oblique?

Answer 21

CN VI

CN IV

Question 22

Layers of eye

Answer 22

sclera
choroid
retina

Question 23

Cornea is

Answer 23

in sclera

Question 24

Iris contains two muscles

Answer 24

dilator muscle

sphincter muscle

Question 25

Dilator muscle in iris is .. and sphincter muscle is…

Answer 25

sympathetic

parasympathetic

Question 26

Lens is connected to the posterior chamber by

Answer 26

zonules or suspensory ligament of lens

Question 27

Ciliary muscle is innervated by… in …

Answer 27

parasympathetics in CN III

Question 28

Presbyopia

Answer 28

lens elasticity with age

Question 29

Arteries of the eye

Answer 29

ophthalmic
posterior ciliary
central retinal

Question 30

Papilledema

Answer 30

caused by excessive CSF pressure which causes the optic disc to swell and bleed

Question 31

Fundus during HBP

Answer 31

arteries become swollen and restrict venous return called venous nicking

Question 32

Branches off ophthalmic

Answer 32

supratrochlear

supraorbital

Question 33

Veins of orbit

Answer 33

superior and inferior ophthalmic vein

Question 34

Long ciliary nerve carries

Answer 34

pain and sympathetics

Question 35

Short ciliary nerve carries

Answer 35

parasympathetics and sympathetics

Question 36

Horners syndrome

Answer 36

Associated with tumor of the lung.

Ptsosis, miosis, anhidrosis