Brainscape's Knowledge GenomeTM

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


See full index

T2 - GA 2 Midterm 2 > Eye > Flashcards

Eye Flashcards

1
Q

What three bones make up the margin of the eye orbit

A

frontal
zygomatic
maxilla

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

roof of the bony orbit of the eye

A 
orbital plate (frontal bone) 
lesser wing of sphenoid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Floor of the bony orbit of the eye

A

Palatine (orbital process)
Maxilla
Zygomatic

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

Lateral wall of the bony orbit of the eye

A

zygomatic (frontal process)

greater wing of the sphenoid

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

Medial wall of the bony orbit of the eye

A 
Frontal 
sphenoid 
ethmoid 
lacrimal
 maxilla
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Landmark at the superior orbital margin on the frontal bone

A

supra-orbital notch

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

Landmark at the floor of the orbit

A

infraorbital groove

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

What bone is the infraorbital groove located on?

A

maxilla

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

What structure does the lacrimal fossa accomodate

A

lacrimal sac

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

What two structures is the lacrimal fossa located btw

A

anterior & posterior lacrimal crest

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

Location of the superior orbital fissure

A

btw the greater & lesser wing of the sphenoid

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

The superior orbital fissure communicates with the ______ fossa

A

middle cranial fossa

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

Contents of the superior orbital fissure

A

(III) oculomotor N
(IV) trochlear N
(V1) Opthalmic N
(VI) abducens N

Maxillary Art.
Superior opthalmic V

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

What are the three divisions of the opthalmic N

A

Nasociliary
Lacrimal
Frontal

(NFL)

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

Location of the inferior orbital fissure

A

Greater wing of the sphenoid

maxilla

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

Contents f the inferior orbital fissure

A 
Maxilla N (V2) 
inferior opthalmic V
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Location of the optic canal

A

within the lesser wing of sphenoid

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

contents of the optic canal

A 
optic N (II) 
Opthalmic A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What cavity does the optic canal communicate with ?

A

middle cranial Fossa

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

Origin of the opthalmic artery

A

ICA

first branch

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

The upper and lower eyelids are separated by the _____ fissure

A

palpebral fissure

the slit btw the two eyes

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

The apex of the bony orbit is faced _____

A

medially

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

The upper and lower eye lid meet each other at the ____

A

canthus (angles)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

They eye lid is lined internally by ______

A

conjunctiva

M.M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Sebaceous glands of the eyelashes are called _____

A

glands of Zeis

oily & zeasty

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Sweat glands of the eye are called _____

A

ciliary glands (of Moll)

Molly sweats

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

_____ are modified sebaceous gland that pour their oily secretions into the margin of the eyelid

A

tarsal (Meibomian) glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Tarsal (meibomian) glands are ______

A

modified sebaseous glands

  • pour oils into margin of eyelid
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

c.c. _____ glands secrete oily secretions that prevent the cornea from drying out when sleeping

A

tarsal (Meibomian) glands

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

c.c. A stye/ external hordeolum is an inflam. of the ______ or _____ glands

(a stye is on the outside)

A

glands of Molls (sweat gland)

Gland of Zeis (sebacous gland)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

c.c. Chalazoin/ internal hordeolum is an inflam. of the _____ gland

A

tarsel gland

(modified sebacous gland) – on the inside of eye

sx: yellow streaks

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

at the medial angle of the eye is the lacrimal _______

A

lacrimal lake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

The elevation within the lacrimal lake is called the lacrimal _____

A

caruncle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

_________ is a fold of conjunctiva which forms the lateral boundary of the lacrimal lake

A

plica semilunaris

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

At the medial end of the eyelid there is a small elevation called lacrimal _____

A

lacrimal papilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

At the top of the lacrimal papilla there is an opening called the lacrimal _____

A

lacrimal punctum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

______ opening leads to the lacrimal canal

A

lacrimal punctum

the punctum is on top of the lacrimal papilla

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Name the 5 layers of the eyelid

A

S: Skin
O: Orbicularis oculi M
L : Levator paplebrae tendon

T: tarsal plate (fibrous sheath) (& glands)
P: Palpebral conjunctiva –> Bulbar conjuctiva

S.O.L T.P

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

____ is the innermost mucous membrane

A

palpebral conjunctiva

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

The palpebral conjunctiva reflects to the eyeball to form the _____

A

bulbar conjuctiva

the angle that they meet at is called the fornix

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

_____ membranous sheet attached to the orbital margin and is conti with the periosteum of the orbit

A

orbital septum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

thickening of the orbital septum at the margins of the eyelid form ____

A

tarsal plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

tarsal plates are attached to the medial and lateral orbital walls by ____

A

palpebral lig

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

The lateral palpebral lig is attached to the _____ behind the ______

A

lateral orbital wall

behind- orbital margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

The medial palpebral lig is attached to the ______ in front of the _____

A

crest of the lacrimal bone

front- lacrimal sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

What is posterior to the medial palpebral lig

A

lacrimal sac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

What is anterior to the lateral palpbral lig

A

orbital margin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

c.c ______: the drooping of the eyelid due to a lesion of the oculomotor N . What M is effected?

A

Letharo-optosis

Levator palpebrae M is unable to hold eyelid open

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

c.c. ______: inability to close the eyelid because of a lesion in the facial N . What M is effected?

A

lagothalmus

  • paralysis of the orbicularis oculi
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

N innervation of the levator Papebrae Superioris M

A

oculomotor N

SP- to the Smooth M portion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

_____ smooth M portion of posterior lamella of the levator Palpebrae superioris

A

superior tarsal M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

The superior tarsel M is what type of M

A

smooth M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

c.c. __________: condition of damage to the cervical SP chain

A

horner’s syndrome

ex: cancer pressing on cervica

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

**C.c. Sx seen in Horner’s syndrome

A 
myosis 
anhydrosis 
optosis 
redness
endothalmos
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

Location of the lacrimal glands

A

lacrimal lake

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

***Semilunar fold is a reminant of the ______ membrane

A

nictitating membrane

the third eyeball in reptiles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Tears drain into the lacrimal _____

A

puncta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Lacrimal canaliculi –> lacrimal _____ –> lacrimal duct –> _______

A

canaliculi
lacrimal sac
lacrimal duct
infranasal meatus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

PS supply to the lacrimal glands is ____

A

secretomotor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

Location of the cell bodies of pre gg PS nerves that will be traveling to the lacrimal gland

A

Superior salivary nucleus (lacrimal nucleus)

  • in the medulla oblongota
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

Sympathetic supply to the lacrimal gland fxn is: ____

A

vasomotor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Where do the cell bodies of the post gg SP fibers for the lacrimal gland originate ?

A

superior cervical gg

pregg SP- internal carotid plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

At what gg does the nerve to the pterygoid canal synpase?

A

pterygopalatine gg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

What two nerves join to form the nerve to the pterygoid canal ?

A

greater petrosal N

Deep petrosal N

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

What type of N fibers run within the N of pterygoid canal?

A

pregg PS

Post gg SP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

What nerve directly innervates the lacrimal gland? What type of fibers does it have?

A

lacrimal N

Postgg PS
Postgg SP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

_____ forms the periosteum of the orbital

A

periorbita

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

The superior orbital septum attaches to the epimysium of the _____M

A

levator papebrae superioris M

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Inferior orbital septum attaches to the _____

A

inferior tarsus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

______ is a think sheath that covers the eyeball, except at the cornea

A

bulbar fscia (tenon’s capsule)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

______ space separates the bulbar fascia from the sclera

A

episcleral space

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

At pts of M attachment, the bulbar fascia becomes conti with the __ of the M

A

epimysium

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

The bulbar fascia becomes conti with the epineurium of which nerve ?

A

optic N

conti at the optic N’s exit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Bulbar fascia sends out extensions of the medial and lateral walls for more support called ___

A

check ligaments

75
Q

2 components of the external fibrous coat of the eye

A

cornea

sclera

76
Q

3 components of the middle vascular coart of the eye

A

choroid
ciliary body
iris

77
Q

2 components of the internal nervous layer of the eye

A

retina

optic disc

78
Q

What makes up the white of the eye

A

sclera

79
Q

**___ the site of the sclera pierces post. by the optic N

A

lamina cribrosa

“crib” letting nerve fibers through –> like the cribiform plate

80
Q

______: the convex transparent anterior part of the fibrous coat of the eye

A

cornea

81
Q

Touching the cornea evokes the _____ reflex.

What does the reflex do?

A

cornea reflex

  • closes the eyelids
82
Q

Where does the external fibrous coat receive nutrients, since it is avascular?

A

atmosphere and disffusion

83
Q

_____ is the pigmented coat of the eye

A

middle vascular coat

84
Q

___ forms the largest part of the middle coat of the eye

A

choroid

85
Q

Where does the choriod terminate?

A

anteriorly in the ciliary body

86
Q

_____ connects the choriod with the iris

A

ciliary body

87
Q

ciliary body connects the choroid with the ____

A

iris

88
Q

**_______: produce aqueous humor in the middle coat of the eye

A

ciliary process

89
Q

What N innervates the ciliary Muscle? What type of fiber?

A

oculomotor N

PS

90
Q

Contraction of the ciliary M relaxes the ______

A

suspensory ligaments

91
Q

Relaxation of the suspensory lig. causes ______

A

increase in curvature

for near vision

92
Q

Relaxation of the Ciliary M contracts ____

A

suspensory lig.

93
Q

Tightening of the suspensory lig. causes _____

A

a decrease in the curvature of the lens

94
Q

c.c. Increase of aqueous humor produced by ciliary process causes ________

A

increase in ocular pressure = Glacoma

95
Q

aperature in the iris is called ____

A

pupil

96
Q

What determines the color of the iris

A

melanocytes

97
Q

Name the two smooth M of the iris

A

sphincter pupillae
dilator pupillae

= they control the diameter of the pupil

98
Q

What are the two M that control the diameter of the pupil

A

sphincter pupillae

dilator pupillae

99
Q

_____M contricts (miosis) pupil in bright light

A

sphincter pupillae

100
Q

____M dilates (mydriasis) pupil in dim light

A

Dilator pupillae

101
Q

_____: the dialation of the pupil

A

mydriasis

102
Q

_____: the constriction of the pupil

A

miosis

103
Q

What are the two layers of the internal nervous coat of the eyeball

A

outer pigment cell layer

inner neural lauer

104
Q

_____ is the outergrowth of the brain that carried rods/cones, bipolar nerve cells, and gg nerve cells

A

inner neural layer

105
Q

____ are for small amts of light, night vision, and black& white

A

rods

106
Q

____ are for colors, bright lights and need more light to be stimulated

A

cones

107
Q

____N is formed by the axons of the ganglion Nerve cells in he inner neural layer of the eye

A

optic N

108
Q

What are the three layers of the inner neural layer of the eye

A

rods and cones (outer)
bipolar N cells
Ganglion N cells (inner)

109
Q

____: beginning of the optic N, there are no rods & cons (blind spot)

A

optic disc

110
Q

____ is at the center of the macula within the retina . Has a higher number of rods and cones

A

fovea centralis

111
Q

3 structures that are contained within the posterior portion of the retina

A

optic disc
macula lutea
fovea centralis

112
Q

c.c. ______: lost of central vision because of the deteriation of the rods and cones

A

Macula degeneration

113
Q

___ is the blind spot

A 
optic disc (in retina) 
- no rods or cones
114
Q

Boundaries of the anterior chamber of the eye

A

cornea (ant)
Iris (post)

filled with: aqeous humor
communicates through the pupil

115
Q

Boundaries of the posterior chamber of the eye

A

Iris (ant)
Lense & suspensory lig. (post)

filled with: aqeous humor
Comminicates with the anterior compartment through the pupil

116
Q

What are the two M fibers of the ciliary M

A
  1. radial fibers

2. circumfunctional fibers

117
Q

Path of the aqeous humor

A

ciliary process –> pupil –> anterior chamber –> drains out of the sinus venosus sclerae –> opthalmic V –> blood

c.c. Glaucoma if it cant drain

118
Q

Where does the aqeous humor exit the anterior chamber into?

A

sinus venosus sclerae –> into opthalmic V into blood

aka: canal of schlemm

119
Q

Name 4 refractive media of the eye

A

cornea
aqueous humor
lens
vitreous humor

120
Q

The lens is anchored to the ciliary body by ____

A

suspensory lig

121
Q

c.c denaturization of protein in the vitrous humor form _____

A

floaters

122
Q

refractive media of the eye focus light rays onto the _____

A

fovea centralis

c.c. if there is imperfect bending there will be errors in the refraction = blurred vision

123
Q

c.c _____: edema of the optic disc

A

papiledema

124
Q

c.c. ____: far sightedness

A

hyperopia

125
Q

c.c.______: short sightedness

A

myopia

126
Q

c.c ____: irregular refraction

A

astigmatism

127
Q

c.c.___: inability to focus on far and near objects

A

presbyopia

“old age”

128
Q

c.c _____: (eye strain) lense wont change shape bc of the deteriation of the ciliary M

A

asthenopia

w/o “strength”

129
Q

_____N Transmits visual signals from the retina of the eye to the brain

A

optic N (CNII)

130
Q

_____ is the light reflex center where S & M communicate with ea. other

A

pretectal region

131
Q

Where are the cell bodies of Pregg PS occulomotor N located?

A

oculomotor nuclear complex
(edinger-westphal nucleus)
located in the Mid brain

132
Q

Where do cell bodies of the Post gg PS fiber of the pupilloconstrictor M lie

A

ciliary gg

133
Q

Where are eginger westphal nucleus cells located

A

mid brain (mesachephalon)

134
Q

Oculomotor N has _____ fibers

A

pregg PS

135
Q

c.c. ________: reflex that occurs when the light is shined on one eye, and the other eye that is not being stim also constricts

A

consentual like reflex

136
Q

location of the cell bodies of the post gg SP of the pupillodilator M

A

superior cervical gg

137
Q

_____ occurs when our eyes focus on near objects

A

accomodation

138
Q

Ciliary M _____ + Suspensory lig _____ = lens thins for ______vision

A

ciliary M = relax

suspensory lig= taut

lense thins to focus on DISTANT objects

139
Q

(3) components to the accomodation reflex

A
  1. convergence of the eyeballs - Medial RectusM
  2. pupillary constriction
  3. Increase convexity (thickening) of lens
140
Q

Where is the accomodation center located?

A

superior colliculus & pretectal area

141
Q

N fibers type that innervate the medial rectus M

A

GSE

142
Q

What N will sense (S) an object touching the cornea

A

opthalmic N

GSA

143
Q

Opthalmic N carries _____ fibers

A

GSA

144
Q

Location of the GSA primary sensory neurons that are involved in the cornea reflex

A

spinal trigeminal nucleus

145
Q

_____ is the intregration center for reflexes involved in the eye

A

reticular formation

146
Q

Location of the cell bodies of motor neurons that are involved in the cornea reflex

A

facial motor nucleus

147
Q

The facial N contains _____ fibers bc of its origins in the pharyngeal apparatus

A

SVE

148
Q

c.c_______: Near sightedness. The light converges infront of the retina

Correction?

A

Myopia

Correction: concave lense

149
Q

c.c.____: Far sightedness. The light rays converge behind the retina

correction?

A

hyperopia

correction: convex lense

150
Q

c.c_____: blurred vision

A

amblyopia

151
Q

Extraocular M. have _____ fibers

A

GSA

they are skeletal M not from the pharyngeal apparatus- from myotomes

152
Q

O & I of the recti M’s

A

common fibrous ring around the optic canal

I: corneoscleral Jxn “cornea limbus”

153
Q

Which recti M’s does the oculomotor N innervate

A

superior
inferior
Medial
Inferior oblique

(lateral = abducen)
(superior oblique= trochlear)

154
Q

Which recti M does the abducen N innervate

A

lateral

sup, inf, med = oculomotor

155
Q

_____: the jxn btw the cornea and sclera

A

cornea limbus

156
Q

Action of the superior recti M

A

rotate the eye up and medial

inf- down and medial

157
Q

Action of the inferior recti M

A

rotate the eye down and medial

sup- up and medial

158
Q

_____M action is to rotate eye up and medial

A

superior recti M

159
Q

____M action is to rotate the eye down and medial

A

inferior recti M

160
Q

___M action is to rotate the eye down and lateral

A

superior oblique M

161
Q

_____M runs through the trochlea

A

superior oblique M

162
Q

N innervation to the superior oblique M

A

trochlea N (IV)

163
Q

____M action is to rotate the eye up and lateral

A

inferior oblique M

164
Q

**M inserted on the scleara of the post/inf. quadrant of the eye

A

inferior oblique M

165
Q

** M inserted on the scleara of the post/sup quadrant of the eye

A

superior oblique M

166
Q

M origin on the ant/medial floor of the eye orbit

A

inferior oblique M

167
Q

What two Eye M preform extorsion

A

Inf oblique

Inf rectus

168
Q

Whaty two eye M preform intorsion

A

Sup rectus

Sup oblique

169
Q

2 M that elevate the eyeball

A

superior rectus

inferior oblique

170
Q

2 M that depress the eyeball

A

inferior rectus

superior oblique

171
Q

When abd. of the eye is preformed by the lateral rectus M only _____&_____ M can be clinically tested for elevation and depression

A

Superior rectus
Inferior rectus

(removes the M.R. from assisting in movement)

172
Q

When add. by the meial rectus is preformed only the ______& ______M can be clinically tested for elevation and depression

A

inferior oblique
superior oblique

(removed the L.R. from assisint in movement)

173
Q

_______ art. runs n the substance of the optic N. It enters the eye at the _______

A

central artery of the retina

enters: at the center of the optic disc

174
Q

_______ art. enters the eyeball at the corneoscleral jxn

A

anterior ciliary art.

there is a posterior ciliary- optic N

175
Q

______ art. enters the eyeball around the optic N

A

posterior ciliary art

ant. ciliary- corneosclera Jxn

176
Q

____ art. supplies ocular M

A

opthalmic artery

177
Q

_____ art. supplies the lacrimal gland

A

lacrimal artery

178
Q

_____ art. gives a branch to the eyelids called the _____ art.

A

lacrimal artery

branch: lateral palpebral artery

179
Q

(3) branches of the opthalmic art. that enter the eyeball directly

A

central art. of the retina

anterior & posterior ciliary artery

180
Q

Opthalmic Vein drains what structures

A

orbit & eyeball

181
Q

The opthalmic V drains into the _____

A

cavernous sinus

182
Q

Supeior opthalmic V comminicates in front with the ____ V

A

facial V

183
Q

Inferior opthalmic V communicates with the ______

A

pterygoid venous plexus

T2 - GA 2 Midterm 2 (6 decks)

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