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Medical Terminology- Exam III > Chapter 14- Special Sense Organs of the PNS > Flashcards

Chapter 14- Special Sense Organs of the PNS Flashcards

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USMLE® Step 1 flashcards
0
Q

Blood supply

A

Choroid

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1
Q

Refraction of light

A

Cornea

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2
Q

Secretion of vitreous fluid, helps change the shape of lens

A

Ciliary body

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4
Q

Movement of the globe

A

External ocular muscles

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5
Q

protection for the eye

A

eyelid

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6
Q

contracts or relaxes to control the amount of light entering the eye through the pupil

A

iris

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7
Q

secretion of tears

A

lacrimal glands

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8
Q

light refraction

A

lens

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9
Q

transmission of visual information to the brain

A

optic nerve

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10
Q

transforms optic signals into nerve impulses

A

retina

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11
Q

distinguish light from dark, perceive shape and movement

A

rods

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12
Q

color vision

A

cones

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13
Q

external protection

A

sclera

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14
Q

choroid/o

A

choroid

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15
Q

chrom/o

A

color

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16
Q

conjunctiv/o

A

conjunctiva

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17
Q

corne/o, kerat/o

A

cornea

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18
Q

dacry/o, lacrim/o

A

tear

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19
Q

ir/o, irid/o

A

iris

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20
Q

ocul/o, opthalm/o

A

eye

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21
Q

opt/o, optic/o

A

vision

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22
Q

presby/o

A

old or old age

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23
Q

pupill/o

A

pupil

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24
Q

retin/o

A

retina

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25
Q

ton/o

A

tone or vision

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26
Q

myopia

A

nearsightedness; parallel rays entering the eye are focused in front of the retina

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27
Q

hyperopia

A

farsightedness, or inability for the eyes to focus on nearby objects; rays of light entering the eye are brought to focus behind the retina

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28
Q

astigmatism

A

uneven focusing of the image, resulting from distortion of the curvature of the lens or cornea

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29
Q

agent that dilates the eye

A

mydriatic

30
Q

impairment of vision due to advancing age

A

presbyopia

31
Q

measurement of intraocular pressure

A

tonometry

32
Q

physical space visible when head is held still

A

visual fields

33
Q

reduced vision in one eye, not correctable by glasses but by wearing eye patch; also called strabismus

A

amblyopia

34
Q

inflammation of the eyelid

A

blepharitis

35
Q

an abnormal progressive condition of the lens, characterized by loss of transparency

A

cataract

36
Q

inflammation of the conjunctiva; also called red eye or pink eye

A

conjunctivitis

37
Q

an abnormal condition of increased pressure within the eye

A

glaucoma

38
Q

sty or stye, resulting from an infected sebaceous gland of an eyelash

A

hordeolum

39
Q

a progressive deterioration of the retina associated with new vessel formation that can progress to blindness

A

macular degeneration

40
Q

poor vision at night or in dim light

A

nyctalopia

41
Q

excessive sensitivity of the eyes to light

A

photophobia

42
Q

drooping of the upper eyelids

A

ptosis

43
Q

separation of the retina from the choroid, usually resulting from a hole of tear in the retina

A

retinal detachment

44
Q

any disease of the retina

A

retinopathy

45
Q

profound inability to see color

A

achromatopsia

46
Q

acoust/o, audi/o

A

hearing

47
Q

adenoid/o

A

adenoids

48
Q

aur/o, auricul/o, ot/o

A

ear

49
Q

cerumin/o

A

ear wax

50
Q

cochle/o

A

cochlea

51
Q

myring/o, tympan/o

A

eardrum

52
Q

salping/o

A

Eustachian tube

53
Q

-ory

A

pertaining to

54
Q

inflammation of the middle ear

A

otitis media

55
Q

inflammation of the tympanic membrane

A

myringitis

56
Q

external ear infection

A

otitis externa

57
Q

inner ear infection

A

otitis interna

58
Q

hardening of the ear

A

otosclerosis

59
Q

noise in the ear

A

tinnitus

60
Q

dizziness

A

vertigo

61
Q

surgical repair or reconstruction of the external ear

A

otoplasty

62
Q

surgical creation of an opening through the eardrum to promote drainage and/or allow the introduction of artificial tubes

A

tympanostomy

63
Q

medicines used to soften and break down earwax

A

ceruminolytics

64
Q

an implanted device that assists hearing by electrically stimulating the cochlea

A

cochlear implant

65
Q

chem/o

A

chemical

66
Q

mechan/o

A

mechanical

67
Q

noc/i

A

cause harm, injury, or pain

68
Q

phot/o

A

light

69
Q

therm/o

A

heat

70
Q

-osmia

A

sense of smell

Medical Terminology- Exam III (5 decks)

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