Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Head and Neck Anatomy > Eye and Orbit (week 3) > Flashcards

Eye and Orbit (week 3) Flashcards

0
Q

What muscle opens the upper eyelid

A

Levator Palpebrae Superioris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Function of Orbicularis Oculi

A

Closes eyelids

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What CN innervates muscle to open eye

A

CN III

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What CN innervates muscle to close eye

A

CN VII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What is the Tarsal Plate

A

Connective tissue “skeleton” of eyelid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Two glands that make up Tarsal Plate

A

Tarsal glands and Ciliary glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What do the Tarsal glands do

A

secrete a fatty secretion and keeps eyelids from sticking together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Function of Ciliary glands

A

Sebaceous glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the Conjunctiva

A

Mucous membrane of eyelid and eyeball

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Conjunctiva consists of what two parts

A

Palpebral conjunctiva and Bulbar conjunctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Characteristic of Palpebral conjunctiva

A

Continuous with skin, very vascular

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Continuous of Bulbar conjunctiva

A

Continuous with cornea and transparent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What cranial nerve and fibers innervate Lacrimal gland

A

CN VII, Parasympathetic fibers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Pathway for Lacrimal Gland

A

Tears from LG –> Superior and Inferior puncta –> Lacrimal Canal –> Lacrimal sac –> Nasolacrimal duct –> Nasal cavity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The Cornea is continuous with what?

A

Sclera

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Sclera is continuous with what?

A

Dural sheath of optic nerve and Cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Eyeball is made up of what three layers

A

Outer Fibrous Coat, Middle Vascular Coat and Inner Retinal layer

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

What makes up the Outer Fibrous coat

A

The continuous layer of the dural sheath of optic fiber, Sclera and Cornea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What makes up the Middle Vascular coat

A

The Choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Choroid is fixed between what two structures?

A

Sclera and Retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What makes up the Inner Retinal layer

A

Retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

What is the Ciliary body?

A

The end of the Choroid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Ciliary process

A

Folds in Ciliary body

23
Q

What produces aqueous humor

A

Ciliary folds, flows from posterior to anterior chamber

24
Q

Ciliary muscles are controlled by what CN and what fibers

A

CN III, parasympathetic fibers

25
Q

What do the suspensory ligaments do to the lens

A

move lens to focus

26
Q

Contraction of the ciliary muscles does what to the lens

A

Makes it rounder

27
Q

Flattening of the lens is caused by what?

A

Relaxation

28
Q

Lens is Avascular? T or F

A

True

29
Q

What is the optic disk

A

Where the optic nerve enters; Insensitive to light

30
Q

What is the Macula Lutea

A

A disc with the fovea centralis; most acute vision

31
Q

Superior Rectus action

A

Elevate, Adduct

32
Q

Middle Rectus action

A

Adduct

33
Q

Lateral Rectus action

A

Abduct

34
Q

Superior Oblique action

A

Down and out (Abduct and lowers)

35
Q

Action of Inferior Rectus

A

Lowers and Adducts

36
Q

Attachment of Inferior Oblique

A

Maxillary bone

37
Q

Attachment of most eye muscles

A

Common Tendinous Ring

38
Q

What Major artery supplies blood to eye

A

Internal Carotid

39
Q

What arterial branches supplies blood to Ciliary Body and Iris

A

Ciliary Arteries–>Long Ciliary arteries

Lacrimal Artery –> anterior ciliary arteries

40
Q

Short Posterior Ciliary arteries supply blood to what?

A

Choroid Layer

41
Q

Two veins associated with eye?

A

Superior Opthalmic vein and Inferior Opthalmic vein

42
Q

Where does the Superior opthalmic vein drain?

A

Cavernous sinus

43
Q

Where does Inferior Opthalmic vein drain?

A

Pterygoid plexus and cavernous sinus

44
Q

Both veins of eye anastomose with what other vein?

A

Facial vein

45
Q

What nerve supplies special sensory to the eye?

A

Optic nerve (CN II)

46
Q

What nerve branch provides general sensory to the eyeball?

A

Long Ciliary nerve, a branch of the Nasociliary nerve of V1

47
Q

What nerve supplies general sensory to the eyeball and lower eyelid

A

Inferior Palpebral nerve, a branch of Infraorbital nerve of V2

48
Q

What are the post parasympathetic nerves to the ciliary muscle and Sphinctor puillae called after they leave the ciliary ganglion?

A

Short Ciliary nerves

49
Q

What structures do oculomotor parasympathetic fibers innervate?

A

Ciliary muscles and sphinctor pupillae

50
Q

What structures of the eye need sympathetic innervation?

A

Dilator Pupillae and Superior Tarsal muscle

51
Q

Corneal Reflex normal should do what?

A

Cause both eyelids to close

52
Q

Absent ipsilateral with normal contralateral response?

A

Normal V with abnormal ipsilateral VII

53
Q

Absent contralateral response

A

Abnormal contralateral VII

54
Q

Absent bilateral response

A

V abnormality OR bilateral VII abnormality

Head and Neck Anatomy (35 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions