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Medical Terminology > Creative Study Chapter 5 > Flashcards

Creative Study Chapter 5 Flashcards

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USMLE® Step 1 flashcards
1
Q

Anterior Chamber

A

fluid-filled space between the cornea and iris that contains aqueous humor (water fluid)

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2
Q

Posterior Chamber

A

contains vitreous humor (gelatinous fluid)

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3
Q

Cornea

A

transparent, outer covering of the anterior portion

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4
Q

Pupil

A

Opening in the eye that lets light in

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5
Q

Iris

A

Colored part of the eye that contains muscles to regulate the pupil’s size

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6
Q

Sclera

A

white, tough, fibrous outer layer, extends from cornea to optic nerve

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7
Q

Choroid

A

Pigmented vascular layer between sclera and retina

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8
Q

Conjunctiva

A

mucous membrane lining the eyelids and outer eye surface

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9
Q

Lens

A

transparent structure posterior to the pupil that bends light rays on the retina to aid in focusing

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10
Q

Retina

A

nerve tissue in the inner posterior part of eye

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11
Q

Rods and Cones

A

visual receptors (neurons) in retina that respond to the light waves

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12
Q

Nerve fibers

A

from the rods and cones join in the optic disc from which optic nerve carries transmissions to brain

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13
Q

aque/o

A

water

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14
Q

blephar/o

A

eyelid

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15
Q

conjunctiv/o

A

conjuctiva (to bind together)

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16
Q

corne/o

A

cornea

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17
Q

cycl/o

A

circle, ciliary body

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18
Q

dacry/o

A

tear

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19
Q

lacrim/o

A

tear

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20
Q

ir/o

A

colored circle, iris

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21
Q

irid/o

A

colored circle, iris

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22
Q

kerat/o

A

cornea

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23
Q

ocul/o

A

eye

24
Q

ophthalm/o

A

eye

25
Q

opt/o

A

eye

26
Q

phac/o

A

lens (lentil)

27
Q

phak/o

A

lens (lentil)

28
Q

phot/o

A

light

29
Q

presby/o

A

old age

30
Q

retin/o

A

retina

31
Q

scler/o

A

hard or sclera

32
Q

vitre/o

A

glassy

33
Q

-opia

A

condition of vision

34
Q

Aqueous Humor

A

watery liquid secreted by the ciliary processes that fills the anterior and posterior chambers of the eye and provides nourishment for the cornea, iris, and lens

35
Q

diplopia

A

double vision

36
Q

lacrimation

A

secretion of tears

37
Q

scotoma

A

blind spot in vision

38
Q

asthenopia

A

eyestrain (asthenia=weak condition)

39
Q

blepharospasm

A

involuntary contraction of the muscles surrounding the eye causing uncontrolled blinking and lid squeezing

40
Q

exophthalmos

A

abnormal protrusion of one or both eyeballs

41
Q

nystagmus

A

involuntary, rapid, oscillating movement of the eyeball

42
Q

photophobia

A

extreme sensitivity to, and discomfort from, light

43
Q

cycloplegic

A

agent that paralyzes the ciliary muscle and the powers of accommodation; commonly used in pediatric eye examination

44
Q

mydriatic

A

agent that causes dilation of the pupil; used for certain eye examinations

45
Q

miotic

A

agent that causes the pupil to contract (mio=less)

46
Q

eye instillation

A

introduction of a medicated solution in the eye, usually administered by a drop (gt) or drops (gtt) in the affected eye or eyes

47
Q

blepharoplasty

A

surgical repair of an eyelid

48
Q

cryoretinopexy

A

use of intense cold to seal a hole or tear in the retina; used to treat retinal detatchment

49
Q

enucleation

A

excision of an eyeball

50
Q

astigmatism

A

distorted vision caused by an oblong or cylindrical curvature of the lens or cornea that prevents light rays from coming to a single focus on the retina (stigma=point)

51
Q

myopia

A

nearsightedness

52
Q

hyperopia

A

farsightedness

53
Q

presbyopia

A

impaired vision cause by old age or loss of accommodation

54
Q

amblyopia

A

decreased vision in earl life because of a functional defect that can occur as a result if strabismus, refractive errors (when one eye is more nearsighted, farsighted, or astigmatic than the other), or trauma; usually occurs in one eye; also known as lazy eye

55
Q

aphakia

A

absence of the lens, usually after cataract extraction

56
Q

cataract

A

opaque clouding if the lens causing decreased vision

Medical Terminology (14 decks)

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