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Med Term - Exam 4 > Chap 17 - Eyes and Ears Quizes > Flashcards

Chap 17 - Eyes and Ears Quizes Flashcards

1
Q

Photoreceptor cell responsible for color and central vision located in the retina that transforms light energy into nerve impulses:

A

cone

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2
Q

Delicate membrane lining the undersurface of the eyelids and covering the anterior eyeball:

A

conjunctiva

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3
Q

Region at the back of the eye where the optic nerve meets the retina:

A

optic disc

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4
Q

Yellowish region in the retina; contains the fovea centralis:

A

macula

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5
Q

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

A

iris

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6
Q

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

A

cornea

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7
Q

Sensitive receptor cells of the retina that function at reduced levels of light and are responsible for peripheral vision:

A

rods

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8
Q

Light-sensitive nerve cell layer of the eye containing photoreceptor cells:

A

retina

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9
Q

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

A

pupil

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10
Q

Tough, white outer coat of the eyeball:

A

sclera

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11
Q

The meaning of the suffix -opia:

A

vision

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12
Q

What is the meaning of the combining form phot/o?

A

light

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13
Q

The combining form that means eyelid:

A

palpebr/o

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14
Q

What is the meaning of the combining form phak/o?

A

lens of the eye

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15
Q

The combining form that means tears:

A

lacrim/o

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16
Q

What is the meaning of the combining form kerat/o?

A

cornea

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17
Q

The meaning of the combining form opt/o:

A

eye, vision

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18
Q

The combining form that means tears or tear duct:

A

dacry/o

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19
Q

Another combining form besides pupill/o that can be used for pupil:

A

cor/o

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20
Q

What is the combining form for eyelid?

A

blephar/o

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21
Q

The projecting part, or flap, of the ear:

A

auricle

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22
Q

Waxy substance secreted by the external ear:

A

cerumen

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23
Q

nail shell-shaped, spirally wound tube in the inner ear that contains hearing-sensitive receptor cells:

A

cochlea

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24
Q

Another name for the tympanic membrane:

A

eardrum

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25
Q

What is the name given to the maze-like series of canals of the inner ear?

A

labyrinth

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26
Q

The three small bones that are the ossicles:

A

incus, malleus, stapes

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27
Q

Passages in the inner ear associated with maintaining equilibrium:

A

semicircular canals

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28
Q

Central cavity of the labyrinth that connects the cochlea to the semicircular canals for equilibrium:

A

vestibule

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29
Q

Membrane between the middle ear and the inner ear:

A

oval window

30
Q

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

A

organ of Corti

31
Q

The meaning of the combining form acous/o

A

hearing

32
Q

A combining form for ear:

A

aur/o

33
Q

The meaning of the combining form myring/o:

A

eardrum

34
Q

What is the combining form for eustachian tube?

A

salping/o

35
Q

The meaning of the combining form ot/o:

A

ear

36
Q

Meaning of the suffix -acusis:

A

hearing

37
Q

The combining form for the third bone of the middle ear:

A

staped/o

38
Q

Meaning of the suffix -otia:

A

ear condition

39
Q

Meaning of the suffix -meter:

A

instrument to measure

40
Q

The combining form for the three small bones of the middle ear:

A

ossicul/o

41
Q

Which term means dull or dim vision (also known as lazy eye)?

A

amblyopia

42
Q

Charted results of a hearing test:

A

audiogram

43
Q

Medical doctor who specializes in treating disorders of the eye:

A

ophthalmologist

44
Q

Papilledema means there is swelling or associated intracranial pressure and hyperemia in what area?

A

optic disc

45
Q

Blepharoptosis refers to drooping of what part of the eye?

A

eyelid

46
Q

Double vision is called:

A

diplopia

47
Q

Surgical reconstruction of the bones of the middle ear with reconnection of the eardrum to the oval window:

A

tympanoplasty

48
Q

Absence of vision in half of the visual field:

A

hemianopsia

49
Q

Inflammation of the lacrimal gland and lacrimal ducts:

A

dacryoadenitis

50
Q

The combining form used in the term “postauricular” means:

A

ear

51
Q

Defective curvature of the cornea or lens of the eye:

A

astigmatism

52
Q

Impairment of vision as a result of old age:

A

presbyopia

53
Q

Hardening of the bony tissue of the middle ear:

A

otosclerosis

54
Q

Damage to the retina and optic nerve with loss of vision due to increased intraocular pressure:

A

glaucoma

55
Q

Repetitive rhythmic movements of one or both eyes:

A

nystagmus

56
Q

A failure of the eyes to look in the same direction because of weakness of a muscle controlling the position of one eye:

A

strabismus

57
Q

Collection of skin cells and cholesterol in a sac within the middle ear:

A

cholesteatoma

58
Q

Farsightedness:

A

hyperopia

59
Q

Small, hard, cystic mass on the eyelid:

A

chalazion

60
Q

Benign tumor arising from the acoustic vestibulocochlear nerve in the brain:

A

acoustic neuroma

61
Q

What is a visual examination of the interior of the eye called?

A

ophthalmoscopy

62
Q

Removal of the entire eyeball:

A

enucleation

63
Q

Surgical repair of the cornea:

A

keratoplasty

64
Q

Removal of the vitreous humor:

A

vitrectomy

65
Q

Use of an excimer laser to correct errors of refraction:

A

LASIK

66
Q

Testing the sense of hearing:

A

audiometry

67
Q

Visual examination of the ear canal with an otoscope:

A

otoscopy

68
Q

Use of ultrasonic vibrations to break up the lens, which is then aspirated through the ultrasonic probe:

A

phacoemulsification

69
Q

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

A

scleral buckle

70
Q

Test of ear conduction using a vibration source:

A

tuning fork test

Med Term - Exam 4 (9 decks)

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