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Med Terms > Ch. 17 > Flashcards

Ch. 17 Flashcards

0
Q

Anterior chamber

A

Area behind the cornea and in front of the lens and iris

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1
Q

Accommodation

A

Normal adjustment of the eye to focus on objects from far to near

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2
Q

Aqueous humor

A

Fluid produced by the ciliary body and found in anterior chamber

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3
Q

Biconvex

A

Consisting of two surfaces that are rounded, elevated, and curved evenly lens of the eye

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4
Q

Choroid

A

Middle, vascular layer of the eye between the retina and the sclera

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5
Q

Ciliary body

A

Structure surrounding the lens that connects he choroid and iris; controls shape of lens and secretes aqueous humor

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6
Q

Cone

A

Photoreceptors cell in the retina that transforms light energy into a nerve impulse,responsible for color and central vision

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7
Q

Conjunctiva

A

Delicate membrane that lines the undersurface of eyelids and covers anterior eyeball

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8
Q

Cornea

A

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

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9
Q

Fovea centralis

A

Tiny depression in the retina that is the region of clearest vision

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10
Q

Fungus of eye

A

Posterior, inner part of the eye

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11
Q

Iris

A

Pigmented layer that opens and closes to allow more or less light into the eye

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12
Q

Lens

A

Transparent biconvex body behind the pupil of the eye

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13
Q

Macula

A

Yellowish region on the retina lateral to and slightly below the optic disc

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14
Q

Optic chiasm

A

Point at which optic nerve fibers cross in the brain

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15
Q

Optic disc

A

Region at the back of the eye where the optic nerve meets the retina, blind spot

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16
Q

Optic nerve

A

Cranial nerve carrying impulses from the retina to the brain

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17
Q

Pupil

A

Central opening of the eye, surrounded by the iris, through which light rays pass

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18
Q

Refraction

A

Bending of light rays by the cornea, lens, and fluids of the eye to bring the rays into focus on the retina

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19
Q

Retina

A

Light sensitive nerve cell layer of the eye containing photoreceptor cells

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20
Q

Rod

A

Photoreceptor cell of retina essential for vision in dim light and for peripheral vision

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21
Q

Sclera

A

Tough white outer coat of the eyeball

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22
Q

Thalamus

A

Relay center of the brain

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23
Q

Vitreous humor

A

Soft, jelly like material behind the lens in the vitreous chamber

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24
Q

Water

A

Aque/o

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25
Q

Conjunctiva (CF)

A

Conjunctiv/o

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26
Q

Pupil cf

A

Cor/o

Pupill/o

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27
Q

Ciliary body cf

A

Cycl/o

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28
Q

Tears, tear duct

A

Dacry/o

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29
Q

Iris cf

A

Ir/o

Irid/o

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30
Q

Cornea cf

A

Kerat/o

Corne/o

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31
Q

Tears

A

Lacrim/o

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32
Q

Eye

A

Ophthalm/o

Ocul/o

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33
Q

Eye, vision

A

Opt/o

Optic/o

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34
Q

Eyelid

A

Palpebr/o

Blephar/o

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35
Q

Optic disc(CF)

A

Papill/o

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36
Q

Lens of the eye

A

Phac/o

Phak/o

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37
Q

Retina cf

A

Retin/o

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38
Q

Sclera cf

A

Scler/o

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39
Q

Uvea

A

Uve/o

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40
Q

Glassy

A

Vitre/o

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41
Q

Dull, dim

A

Ambly/o

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42
Q

Double

A

Dipl/o

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43
Q

Gray

A

Glauc/o

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44
Q

Smaller, less

A

Mi/o

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45
Q

Widen, enlarge

A

Mydr/o

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46
Q

Night

A

Nyct/o

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47
Q

Light

A

Phot/o

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48
Q

Old age

A

Presby/o

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49
Q

Darkness

A

Scot/o

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50
Q

Dry

A

Xer/o

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51
Q

Vision (s)

A
  • opia

- opsia

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52
Q

To turn (s)

A

-tropia

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53
Q

Astigmatism

A

Defective curvature of the cornea or lens of eye

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54
Q

Hyperopia

A

Farsightedness

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55
Q

Myopia

A

Nearsightedness

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56
Q

Presbyopia

A

Impairment of vision due to old age reducing lens accommodation

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57
Q

Cataract

A

Clouding of the lens

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57
Q

Chalazion

A

Small,hard, cystic mass on the eyelid; formed as a result of chronic inflammation of sebaceous gland along margin of eyelid

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57
Q

Diabetic retinopathy

A

Retinal effects caused by diabetes mellitus

Microaneurysms
Hemorrhages
Dilation of retinal veins
Neovascularization

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57
Q

Glaucoma

A

Increased intraocular pressure damages the retina and optic nerve

57
Q

Hordeolum (stye)

A

Staph infection of a sebaceous gland in eyelid

58
Q

Macular degeneration

A

Progressive damage to the macular of the retina

59
Q

Nystagmus

A

Repetitive rhythmic movements of one or both eyes

60
Q

Strabismus

A

Abnormal deviation of the eye

61
Q

Enucleation

A

Removal of the entire eyeball

62
Q

Laser photo coagulation

A

An argon laser creates an inflammatory reaction that seals retinal tears and leaky blood vessels

63
Q

LASIK

A

Laser to correct errors of refraction by sculpting the cornea

64
Q

Retinal detachment

A

Two layers of the retina separate from each other

Photopsia
Floaters
Scleral buckle
Pneumatic retinopexy

65
Q

Photopsia

A

Bright flashes of light

66
Q

Floaters

A

Vitreous clumps of retina

67
Q

Pneumatic retinopexy

A

A gas bubble is injected in vitreous cavity to help reattach the retina

68
Q

Visual acuity test

A

Assesses clarity of vision

69
Q

Keratoplasty

A

Surgical repair of the cornea

70
Q

Fluorescein angiography

A

Dye injection to examine blood flow in the retina

71
Q

Ophthalmoscopy

A

Visual exam of the interior of the eye through dilated pupil

72
Q

Slit lamp microscopy

A

Magnified view of expanded number of eye structures

73
Q

Visual field test

A

Measures visual field when eyes are fixed forward

74
Q

Scleral buckle

A

Suture of a silicone band to the sclera over the detached portion of the retina

75
Q

Phacoemulsification

A

Ultrasound to break up lens for aspiration for cataract removal

76
Q

Vitrectomy

A

Removal of vitreous and replacement with a clear solution

77
Q

AMD

A

Age related macular degeneration

78
Q

HEENT

A

Head, eyes, ears, nose and throat

79
Q

IOL

A

Intraocular lens

80
Q

IOP

A

Intraocular pressure

81
Q

LASIK(abbrev)

A

Laser in situ keratomileusis

82
Q

OD

A

Right eye, doctor or optometry

83
Q

OS

A

Left eye

84
Q

OU

A

Both eyes

85
Q

PERRLA

A

Pupils equal, round, reactive to light and accommodation

86
Q

POAG

A

Primary, open angle glaucoma

87
Q

PRK

A

Photorefractive keratectomy

88
Q

VA

A

Visual acuity

89
Q

VF

A

Visual field

90
Q

Pinna or auricle

A

Projecting flap of ear

91
Q

Auditory canal

A

Channel that leads from the Pinna to the eardrum

92
Q

Auditors meatus

A

Auditory canal

93
Q

Auditory nerve fibers

A

Carry impulses from the inner ear to the brain

94
Q

Organ of corti

A

Sensitive auditory receptor area found in the cochlea of the inner ear

95
Q

Ossicle

A

Small bone of the ear

96
Q

Oval window

A

Membrane between the middle ear and the inner ear

97
Q

Auditory tube

A

Channel between the middle ear and nasopharynx, Eustachian tube

98
Q

Auricle

A

Flap of the ear

99
Q

Cerumen

A

Waxy substance secreted by the external ear

100
Q

Cochlea

A

Snail shaped spirally wound tube in inner ear

101
Q

Endolymph

A

Fluid within the labyrinth of the inner ear

102
Q

Incus

A

Second ossicle of middle ear

103
Q

Labyrinth

A

Maze like series of canals of inner ear

104
Q

Malleus

A

First ossicle of middle ear

105
Q

Perilymph

A

Fluid contained in the labyrinth of inner ear

106
Q

Semicircular canals

A

Passages in the inner ear associated with maintaining equilibrium

107
Q

Stapes

A

Third ossicle of middle ear

108
Q

Tympanic membrane

A

Membrane between outer and middle ear, eardrum

109
Q

Vestibule

A

Central cavity of the labyrinth, connecting the semicircular canal and the cochlea

110
Q

Hearing

A

Acous/o
Audi/o
Audit/o

111
Q

Ear

A

Aur/o

Auricle/o

112
Q

Cochlea cf

A

Cochle/o

113
Q

Mastoid process

A

Mastoid/o

114
Q

Eardrum, tympanic membrane

A

Myring/o

Tyman/o

115
Q

Ossicle cf

A

Ossicul/o

116
Q

Ear

A

Ot/o

117
Q

Eustachian tube

A

Salping/o

118
Q

Stapes cf

A

Staped/o

119
Q

Vestibule

A

Vestibul

120
Q

Hearing s

A
  • acusis

- cusis

121
Q

Instrument for measure s

A

-meter

122
Q

Ear condition s

A

-otia

123
Q

Acoustic neuroma

A

Benign tumor arising from 8th cranial nerve, causes tinnitus, vertigo, dizziness, and decreased hearing

124
Q

Cholesteatoma

A

Skin cells and cholesterol in a sac in the middle ear

125
Q

Deafness

A

Loss of ability to hear

126
Q

Meniere disease

A

Disorder of the labyrinth with elevated endolymph pressure in the cochlea and semicircular canals causing tinnitus, sensitivity to sound, progressive hearing loss, headache, nausea and vomiting

127
Q

Otitis media

A

Inflammation of the middle ear

128
Q

Otosclerosis

A

Hardening of bony tissue in the labyrinth

129
Q

Tinnitus

A

Sensation of noises in ears

130
Q

Vertigo

A

Sensation of irregular motion from a disease of inner ear or nerve carrying messages from the semicircular canals

131
Q

Audiometry

A

An electric device used to determine hearing loss by frequency

132
Q

Cochlear implant

A

Surgically implanted device that allows sensorineural hearing impaired persons to understand speech

133
Q

Ear thermometry

A

Body temp measured with infrared radiation from the eardrum

134
Q

Otoscopy

A

Visual exam of the ear with a small, hand- held scope

135
Q

Tuning fork test

A

Hearing tests using a vibrating fork

136
Q

Rinne

A

Fork is place against the mastoid bone and in front of auditory meatus

137
Q

Weber

A

Fork is placed on center of forehead, normal hearing has equal loudness in both ears

138
Q

AD

A

Right ear

139
Q

AOM

A

Acute otitis media

140
Q

AS

A

Left ear

141
Q

EENT

A

Eyes, ears, nose, and throat

142
Q

ENG

A

Electronystagmography

143
Q

ENT

A

Ears nose and throat

144
Q

ETD

A

Eustachian tube dysfunction

145
Q

PE tube

A

Pressure equalizing tube

146
Q

SOM

A

Serous otitis media

147
Q

Paralysis palsy s

A

-plegic

Med Terms (18 decks)

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