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NCLE Prep > Anatomy > Flashcards

Anatomy Flashcards

1
Q

Inner layer of the eyelid is called the … and is a thin, transparent mucous membrane

A

Conjunctiva

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2
Q

The upper lid will cover 1-2mm of the …

A

superior cornea

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3
Q

Pre-corneal tear film refractive index

A

1.3375

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4
Q

Pre-corneal tear film is the main supplier of oxygen to the cornea and inhibits the growth of …

A

microcysts

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5
Q

Pre-corneal tear film creates a smooth optical surface and wets the cornea and prevents epithelial damage

A

true

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6
Q

Pathway of tears
…
puncta
lacrimal canaliculi
lacrimal sac
nasolacrimal duct
nose

A

Lacrimal glands

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7
Q

Pathway of tears
Lacrimal glands
…
lacrimal canaliculi
lacrimal sac
nasolacrimal duct
nose

A

Puncta

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8
Q

Pathway of tears
Lacrimal glands
puncta
…
lacrimal sac
nasolacrimal duct
nose

A

lacrimal canaliculi

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9
Q

Pathway of tears
Lacrimal glands
puncta
lacrimal canaliculi
…
nasolacrimal duct
nose

A

lacrimal sac

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10
Q

Pathway of tears
Lacrimal glands
puncta
lacrimal canaliculi
lacrimal sac
…
nose

A

Nasolacrimal duct

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11
Q

3 tunics of the eye
Outer layer= …
middle layer= choroid
inner layer= retina

A

sclera

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12
Q

3 tunics of the eye
Outer layer= sclera
middle layer= …
inner layer= retina

A

Choroid

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13
Q

3 tunics of the eye
Outer layer= sclera
middle layer= Choroid
inner layer= …

A

Retina

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14
Q

layers of sclera
outside layer - …
lamina fusca
stroma
inner layer - endothelium

A

Episclera

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15
Q

layers of sclera
outside layer - episclera
…
stroma
inner layer - endothelium

A

lamina fusca

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16
Q

layers of sclera
outside layer - episclera
lamina fusca
…
inner layer - endothelium

A

Stroma

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17
Q

layers of sclera
outside layer - episclera
lamina fusca
stroma
inner layer-…

A

endothelium

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18
Q

Outermost tunic made up of of Fibrous connective tissue

A

Sclera

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19
Q

Composed of blood vessels and lies between the sclera and retina. It provides blood supply for the outer cells of the retina. Regulates the temperature

A

Choroid

20
Q

Innermost layer of the eye
Visual pathway to the brain
Converts light entering the eye via nerve impulses

A

Retina

21
Q

Photoreceptors of the retina. Night vision, no color vision found in periphery

A

Rods

22
Q

Photoreceptors of the retina. Day vision, color vision. Ice cream in the sun

A

Cones

23
Q

Transparent avascular tissue 40-44.00D

A

The cornea

24
Q

Refractive index of cornea

A

1.376

25
Q

Forms part of the first tunic of the eye, elliptical in shape and most of the time is slightly toric

A

Cornea

26
Q

The steepest part of the cornea is called … and can not be centrally located

A

Corneal Apex

27
Q

Central area of cornea is called the

A

Corneal cap

28
Q

The state of relative dehydration maintained by the normal intact cornea tha enables the cornea to remain transparent

A

Desturgescence

29
Q

Corneal oxygenation helps get …% of oxygen to the cornea

A

21

30
Q

During sleep corneal oxygenation is reduced to …% but it can function with as little as 3-4%

A

7-8

31
Q

3 chambers of the eye

A

Anterior, posterior and vitreous

32
Q

Contains aqueous humor, trabeculer meshwork (provides an exit for aqueous humor) and canal of schlemm

A

Anterior chamber

33
Q

After aqueous flows through the trabecular meshwork, excess aqueous flows in to the …

A

Canal of schlemm

34
Q

Behind the iris and bounded by the posterior iris surface the lens the anterior vitreous and
the ciliary body

Involved in
production and
circulation of
aqueous humor

A

Posterior chamber

35
Q

Flow of aqueous humor
Produced by ciliary body

flows through the pupil to enter the anterior

nourishes the cornea and the lens and gives the eye its shape

Maintains intraocular pressure

Repeat

A
36
Q

Flow of aqueous humor
…

flows through the pupil to enter the anterior

nourishes the cornea and the lens and gives the eye its shape

Maintains intraocular pressure

Repeat

A

Produced by ciliary body

37
Q

Flow of aqueous humor
Produced by ciliary body

…

nourishes the cornea and the lens and gives the eye its shape

Maintains intraocular pressure

Repeat

A

flows through the pupil to enter the anterior

38
Q

Flow of aqueous humor
Produced by ciliary body

flows through the pupil to enter the anterior

…

Maintains intraocular pressure

Repeat

A

nourishes the cornea and the lens and gives the eye its shape

39
Q

Flow of aqueous humor
Produced by ciliary body

flows through the pupil to enter the anterior

nourishes the cornea and the lens and gives the eye its shape

…

Repeat

A

Maintains intraocular pressure

40
Q

thick gel like fluid that helps eye keep its shape

A

Vitreous

41
Q

1 of 2 muscles of the iris that constricts

A

Sphincter

42
Q

1 of 2 muscles of the iris that dilates

A

Dilator

43
Q

sebaceous gland of eyelid, along edge of eyelids where eyelashes are. secretes oils and lipids in tarsal plates

A

Meibomian glands

44
Q

Located around cilia and follicles of eyelashes
Secretes oil and lipids

A

Gland of zeis

45
Q

Located near cilia
Secrete sweat

A

Gland of moll

NCLE Prep (26 decks)

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