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Language Of Med > Ch 17 Test > Flashcards

Ch 17 Test Flashcards

1
Q

The normal adjustment of the lens to bring an object into focus for near vision on the retina is

A

Accommodation

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2
Q

A yellowish region on the retina lateral to the optic disc is the

A

Macula

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3
Q

The tiny pit or depression in the retina that is the region of clearest vision is the

A

Fovea centralis

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4
Q

The bending of light rays by the cornea, lens, and fluids of the eye is

A

Refraction

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5
Q

The point at which the fibers of the optic nerve cross in the brain is the

A

Optic chiasm

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6
Q

The photoreceptor cell in the retina that make the perception of color possible are the

A

Cones

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7
Q

The photoreceptor cells in the retina that make vision in dim light possible

A

Rods

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8
Q

The _______ is the area behind the cornea and in front of the lens and iris. Contains aqueous humor

A

Anterior chamber

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9
Q

The posterior, inner part of the eye is the

A

Fundus

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10
Q

Open center of the iris through which light rays enter

A

Pupil

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11
Q

Delicate membrane lining the eyelids and covering the anterior eyeball

A

Conjunctiva

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12
Q

Fibrous layer of clear tissue that extends over the anterior portion of the eyeball

A

Cornea

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13
Q

Vascular layer of the eyeball that is continuous with the iris

A

Choroid

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14
Q

Colored portion of the eye;surrounds pupil

A

Iris

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15
Q

Contains muscles that control the shape of the lens and secretes aqueous humor

A

Ciliary body

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16
Q

Transparent structure behind the iris and in front of the vitreous humor

A

Lens

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17
Q

Contains sensitive cells called rods and cones that transform light energy into nerve impulses

A

Retina

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18
Q

Jelly-like material behind the lens that helps maintain the shape of the eyeball

A

Vitreous humor

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19
Q

Inflammation of an eyelid

A

Blepharitis

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20
Q

Inflammation of the conjunctiva

A

Conjunctivitis

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21
Q

Inflammation of a tear gland

A

Dacryoadenitis

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22
Q

Inflammation of the iris

A

Iritis

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23
Q

Inflammation of the cornea

A

Keratitis

24
Q

Inflammation of the white of the eye

A

Scleritis

25
Q

Inflammation of the retina

A

Retinitis

26
Q

Prolapse of the eyelid

A

Blepharoptosis

27
Q

Pertaining to tears

A

Lacrimal

28
Q

Pertaining to within the eye

A

Intraocular

29
Q

Amblyopia

A

Decreased vision

30
Q

Hyperopia

A

Farsighted

31
Q

Presbyopia

A

Decreased Vision due to old age

32
Q

Myopia

A

Nearsighted

33
Q

Nyctalopia

A

Night blindness

34
Q

Diplopia

A

Double vision

35
Q

Astigmatism

A

Defective cornea

36
Q

The region at the back of the eye where the optic nerve meets the retina is the

A

Optic disc

37
Q

Ultrasonic vibrations break up the lens, and it is aspirated from the eye

A

Phacoemulsification

38
Q

Test of clearness of vision

A

Visual acuity test

39
Q

OU

A

Both eyes

40
Q

VA

A

Visual acuity test

41
Q

Labyrinth

A

Cochlea and canals

42
Q

Semicircular canals

A

Organ of equilibrium in the inner ear

43
Q

Auditory tube

A

Connects middle ear and throat

44
Q

Stapes

A

Third ossicle

45
Q

Organ of corti

A

Region in the cochlea that contains auditory receptors

46
Q

Perilymph and endolymph

A

Fluid within ear

47
Q

Cerumen

A

Ear wax

48
Q

Tympanic membrane

A

Eardrum

49
Q

Instrument to examine the ear

A

Otoscope

50
Q

Removal of the third bone of the middle ear

A

Stapedectomy

51
Q

Pertaining to the auditory tube and throat

A

Salpingopharyngeal

52
Q

Flow of pus from the ear

A

Otopyorrhea

53
Q

Instrument to measure hearing

A

Audiometer

54
Q

Incision of the eardrum

A

Myringotomy

55
Q

Surgical repair of the eardrum

A

Tympanoplasty

56
Q

Small ear

A

Microtia

57
Q

Inflammation of the middle ear

A

Otitismedia

Language Of Med (24 decks)

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