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External Structure of the eye

Total questions: 16

Worksheet time: 9mins

Name
Class
Date
1.

The eye is suspended in the orbit by ( choose more than 1 answer)

a)

Extraocular muscle

b)

Orbital Fats

c)

Connective tissue

d)

Orbital bones

2.

The ligament of Lockwood forms a

a)

Fascial Hammock

b)

Superior orbital margin

c)

Fascial sheat

d)

Muscle

3.

Tenon's capsule is attached to the ______________ anteriorly at the corneal sclera junction.

a)

cornea

b)

conjunctiva

c)

limbus

d)

sclera

4.

Which of the following is NOT the function of Tenon's capsule?

a)

Position and support the eyeball

b)

prevents spread of orbital infection to the globe

c)

produces movement of the eyeball

d)

connects all the ocular muscles together

5.

Intermuscular septum prevents __________ of the globe if it is trapped in a fracture of the orbital floor.

a)

infraduction

b)

adduction

c)

supraduction

d)

abduction

6.

check ligaments are made of

a)

orbital fats

b)

fibro-elastic tissues

c)

recti muscles

d)

collagenous strand

7.

Ligament of lockwood prevents the eye globe from ____________

a)

rolling up

b)

displace

c)

dropping down

d)

rotates

8.

Anteriorly, orbital fats are contained by

a)

Orbital bones

b)

Orbital fats

c)

Orbital septum

d)

reticular tissue

9.

Which of the following are the muscles associated with movement of the eyebrows ( choose more than 1 answer)

a)

Orbicularis Oculi

b)

Occipitofrontalis

c)

Procerus

d)

Corrugator

10.

Which of the brow muscles are responsible for brow depressor?

a)

corrugator supercillii

b)

procerus

c)

occipitofrontalis

d)

orbicularis oculi

11.

Which of the brow muscle is responsible for indirectly raising the upperlids while the eybrows are elevated?

a)

procerus

b)

occipotifrontalis

c)

orbicularis oculi

d)

corrugator supercillii

12.

which of the brow muscle causes vertical frown furrow?

a)

corrugator supercilli

b)

procerus

c)

orbicularis oculi

d)

occipitofrontalis

13.

Approximately how many cilias are found in the upperlid margin?

a)

200

b)

100

c)

30

d)

50

14.

If a Cilia is completely epilated, it can grow back in how many weeks?

a)

5

b)

1

c)

7

d)

10

15.

Muller muscles are mainly supplied by ____________which prevents ptosis

a)

sympathetic nerve fibers

b)

trigeminal nerve

c)

facial nerve

d)

trochlear nerve

16.

Which two glands provides oil to the cilia (hair) - choose more than 1 answer

a)

meibomian gland

b)

gland of zeiss

c)

gland of moll

d)

glands of krause