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SPECIAL SENSES: VISION Flashcards

0
Q

Specific division of the trigeminal nerve that innervates the conjunctiva.

A. Mandibular
B. Opthalmic
C. Maxillary
D. Facial

A

B. Opthalmic

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1
Q

The vascular supply of the conjunctiva.

A

Anterior ciliary artery

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2
Q

Part of the conjunctiva that covers the sclera.

A

Bulbar conjunctiva

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3
Q

Lines the inner aspect of the eyelids.

A

Palpebral conjunctiva

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4
Q

TRUE or FALSE: Aside from covering the sclera, episclera provides nourishment for it.

A

TRUE

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5
Q
  1. The sclera is a vascular thick coat of the eye. 2. It is continuous with the dural sheath of the optic nerve posteriorly and cornea anteriorly.

A. 1 and 2 are both true.
B. 1 and 2 are both false.
C. 1 is true and 2 is false.
D. 1 is false and 2 is true.

A

D. 1 is false and 2 is true.

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6
Q

Which is paired correctly?

A. Corneal Stroma: type IV collagen
B. Descemet’s membrane: type IV collagen
C. Descemet’s membrane: type I collagen
D. None of the above.

A

B. Descemet’s membrane: type IV collagen

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7
Q

Layer of the cornea capable of regeneration.

A. Bowman’s layer
B. Endothelium
C. Corneal epithelium
D. Corneal stroma

A

C. Corneal epithelium

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8
Q

A condition where there is a whitening of the limbus due to old age.

A

Arcus senilis

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9
Q

The space between the cornea and iris.

A

Anterior Chamber

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10
Q

Blood supply of the iris.

A

Major circle of the iris

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11
Q

This structure of the eye adjusts the amount of light entering it.

A. Choroid
B. Sclera
C. Cornea
D. Pupil

A

D. Pupil

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12
Q

Pupillary constriction is due to the parasympathetic activity of which cranial nerve?

A

CN III (Oculomotor)

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13
Q

Structure of the eye that produces aqueous humor.

A

Ciliary body

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14
Q

This principle allows eye to focus at near objects.

A

Accomodation

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15
Q

The structure of the eye that provides blood supply to the outer retinal layers.

A. Iris
B. Limbus
C. Choroid
D. Ciliary body

A

C. Choroid

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16
Q

The lens is suspended in place by this structure.

A

Zonule fibers

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17
Q

Narrow space behind the iris and in front of the zonule fibers.

A

Posterior chamber

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18
Q

The following are TRUE of the vitreous cavity EXCEPT:

A. 98-99% water
B. Vascular
C. Contains collagen
D. Contains hyaluronic acid

A

B. Vascular

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19
Q

Supplies the inner 1/3 of the retina.

A

Central retinal artery

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20
Q

Area of the retina being supplied by the choroid.

A

Outer 2/3 of the retina

21
Q

Oval depression in the center of the macula.

22
Q

Responsible for the central vision.

23
Q

The following are part of the circle of Zinn-haller EXCEPT:

A. Pial vasculature
B. Short PCA
C. Choroidal circulation
D. Anterior ciliary artery

A

D. Anterior ciliary artery

24
The optic nerve synapses at the: A. Medial geniculate nucleus B. Lateral geniculate nucleus C. VPLN D. VPMN
B. Lateral geniculate nucleus
25
Optic nerve head. A. Intra-orbital B. Intra-ocular C. Intra-canalicular D. Intra-cranial
B. Intra-ocular
26
Fuses at the apex of the orbit with periosteum and annulus of Zinn A. Intra-orbital B. Intra-ocular C. Intra-canalicular D. Intra-cranial
A. Intra-orbital
27
Just before it becomes the optic chiasm. A. Intra-orbital B. Intra-ocular C. Intra-canalicular D. Intra-cranial
D. Intra-cranial
28
Firmly anchored to the bone (optic canal). A. Intra-orbital B. Intra-ocular C. Intra-canalicular D. Intra-cranial
C. Intra-canalicular
29
The optic chiasm is suspended above which structure.
Sella turcica
30
Composed of lateral fibers from the ipsilateral optic nerve and medial fibers from the contralateral optic nerve. A. Lateral Geniculate Body B. Optic Chiasm C. Optic Tract D. Optic Radiation
C. Optic Tract
31
Inferior fibers that pass through the temporal lobe looping around the inferior horn of the lateral ventricle.
Meyer's loop
32
The optic canal is found in which specific part of the roof of the orbit.
Lesser wing of the sphenoid
33
Serves as the attachment of the cartilaginous pulley for the superior oblique muscle.
Trochlear fossa
34
Fossa present in the orbital plate of the frontal bone.
Lacrimal gland fossa
35
The following are what comprises the medial orbital wall EXCEPT: A. Maxillary bone B. Lacrimal bone C. Lesser wing of the sphenoid D. Greater wing of the sphenoid
D. Greater wing of the sphenoid
36
Paper thin portion of the medial wall is termed as.
Lamina papyracea
37
The zygomatic bone and the greater wing of the sphenoid forms which wall of the orbit.
Lateral orbital wall
38
These bones make up the floor of the orbit EXCEPT: A. Palatine bone B. Maxillary bone C. Orbital plate of Zygomatic bone D. Ethmoidal bone
D. Ethmoidal bone
39
Foramen found in between the greater and lesser wings of the sphenoid.
Superior orbital fissure
40
In the orbital apex, the following are medial or within the Annulus of Zinn EXCEPT: A. Nasociliary branch of CN V B. Abducens nerve (CN VI) C. Trochlear nerve (CN IV) D. Superior ophthalmic vein
C. Trochlear nerve (CN IV)
41
The maxillary and pterygoid parts of CN V passes through..
Inferior orbital fissure
42
The first major branch of the intracranial ICA.
Ophthalmic artery
43
Supplies the anterior segment of the eye.
Long posterior ciliary arteries
44
Short posterior ciliary arteries supplies which segment of the eye.
Optic nerve, and posterior segment of the eye.
45
Dimensions of the interpalpebral fissure in adults.
Approx. 27 mm long and 8-11 mm wide
46
TRUE or FALSE: The subcutaneous connective tissue of the eyelid contains no fat.
TRUE
47
Attaches to the anterior surface of the levator muscle.
Orbital septum
48
Produces the eye fold.
Levator aponeurosis
49
The superior tarsal muscle is innervated by the superior division of which cranial nerve.
CN III
50
Analogous to the nictating membrane in lower animals.
Plicae semilunaris

ANATOMY (5 decks)

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