chapter 17

Question 1

What is the central opening of the eye called?

Answer 1

Pupil

Question 2

What is the delicate membrane that lines the undersurface of eyelids and covers the anterior eyeball?

Answer 2

Conjunctiva

Question 3

What is the function of the aqueous humor?

Answer 3

Fluid produced by the ciliary body and found in the anterior chamber

Question 4

What does the term ‘accommodation’ refer to in the context of the eye?

Answer 4

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

Question 5

What is the middle, vascular layer of the eye called?

Answer 5

Choroid

Question 6

What type of photoreceptor cell is responsible for color and central vision?

Answer 6

Cone

Question 7

What is the term for the region of clearest vision in the retina?

Answer 7

Fovea centralis

Question 8

What condition is described as clouding of the lens?

Answer 8

Cataract

Question 9

What is the term for the area behind the cornea and in front of the lens and iris?

Answer 9

Anterior chamber

Question 10

Fill in the blank: The _______ is the tough, white outer coat of the eyeball.

Answer 10

Sclera

Question 11

What is the name of the small, hard, cystic mass on the eyelid formed due to chronic inflammation of a sebaceous gland?

Answer 11

Chalazion

Question 12

True or False: The optic chiasm is where optic nerve fibers cross in the brain.

Answer 12

True

Question 13

What is the term for the bending of light rays by the eye’s structures to bring them into focus?

Answer 13

Refraction

Question 14

What is the name of the fluid contained in the labyrinth of the inner ear?

Answer 14

Perilymph

Question 15

What is the channel that leads from the pinna to the eardrum called?

Answer 15

Auditory canal

Question 16

What is the name of the snail-shaped, spirally wound tube in the inner ear?

Answer 16

Cochlea

Question 17

What does the term ‘otitis media’ refer to?

Answer 17

Inflammation of the middle ear

Question 18

What is the function of the organ of Corti?

Answer 18

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

Question 19

Fill in the blank: The _______ is a membrane between the outer and middle ear.

Answer 19

Tympanic membrane

Question 20

What is the term for the sensation of irregular motion caused by inner ear disease?

Answer 20

Vertigo

Question 21

What benign tumor arises from the 8th cranial nerve and can cause tinnitus?

Answer 21

Acoustic neuroma

Question 22

What is the term for the sensation of noises in the ears, such as ringing or buzzing?

Answer 22

Tinnitus

Question 23

What does the abbreviation ‘OD’ stand for in eye terminology?

Answer 23

Right eye

Question 24

What clinical procedure uses a small, hand-held scope to visually examine the ear?

Answer 24

Otoscopy

Question 25

What is the name of the condition characterized by progressive damage to the macula of the retina?

Answer 25

Macular degeneration

Question 26

What does the combining form 'ophthalm/o' refer to?

Answer 26

eye ## Footnote Commonly used in terms related to eye conditions.

Question 27

What does the combining form 'opt/o' refer to?

Answer 27

eye ## Footnote Often used in ophthalmology.

Question 28

What does the combining form 'optic/o' refer to?

Answer 28

eye ## Footnote Related to vision and the optic nerve.

Question 29

What does the combining form 'ossicul/o' refer to?

Answer 29

ossicle ## Footnote Refers to the small bones in the ear.

Question 30

What does the combining form 'palpebr/o' refer to?

Answer 30

eyelid ## Footnote Used in terms like palpebration.

Question 31

What does the combining form 'papill/o' refer to?

Answer 31

optic disc ## Footnote Important in discussing the optic nerve head.

Question 32

What does the combining form 'phac/o' refer to?

Answer 32

lens of the eye ## Footnote Often used in cataract discussions.

Question 33

What does the combining form 'phak/o' refer to?

Answer 33

lens of the eye ## Footnote Another term for the lens, often seen in medical terminology.

Question 34

What does the combining form 'phot/o' refer to?

Answer 34

light ## Footnote Used in terms related to light sensitivity.

Question 35

What does the combining form 'presby/o' refer to?

Answer 35

old age ## Footnote Commonly used in presbyopia, age-related vision change.

Question 36

What does the combining form 'pupill/o' refer to?

Answer 36

pupil ## Footnote Related to the opening of the eye that allows light in.

Question 37

What does the combining form 'retin/o' refer to?

Answer 37

retina ## Footnote Essential for visual processing.

Question 38

What does the combining form 'salpin/o' refer to?

Answer 38

Eustachian tube ## Footnote Connects the middle ear to the nasopharynx.

Question 39

What does the combining form 'scler/o' refer to?

Answer 39

sclera (white of eye) ## Footnote Provides structure and protection to the eye.

Question 40

What does the combining form 'scot/o' refer to?

Answer 40

darkness ## Footnote Used in terms like scotopic vision.

Question 41

What does the combining form 'staped/o' refer to?

Answer 41

stapes ## Footnote The smallest bone in the human body, part of the middle ear.

Question 42

What does the combining form 'tympan/o' refer to?

Answer 42

eardrum ## Footnote Critical for hearing as it vibrates in response to sound.

Question 43

What does the combining form 'uve/o' refer to?

Answer 43

uvea ## Footnote The middle layer of the eye that includes the iris.

Question 44

What does the combining form 'vestibul/o' refer to?

Answer 44

vestibule ## Footnote Part of the inner ear involved in balance.

Question 45

What does the combining form 'vitre/o' refer to?

Answer 45

glassy ## Footnote Refers to the vitreous humor in the eye.

Question 46

What does the combining form 'xer/o' refer to?

Answer 46

dry ## Footnote Used in conditions like xerophthalmia.

Question 47

What does the suffix '-acusis' mean?

Answer 47

hearing ## Footnote Used in terms related to auditory conditions.

Question 48

What does the suffix '-cusis' mean?

Answer 48

hearing ## Footnote Similar to -acusis, often interchangeable.

Question 49

What does the suffix '-meter' mean?

Answer 49

instrument for measure ## Footnote Used in various scientific measurements.

Question 50

What does the suffix '-metry' refer to?

Answer 50

process of measurement ## Footnote Common in fields involving measurement techniques.

Question 51

What does the suffix '-opia' mean?

Answer 51

vision ## Footnote Often used in terms related to visual acuity.

Question 52

What does the suffix '-opsia' mean?

Answer 52

vision ## Footnote Similar to -opia, often used in similar contexts.

Question 53

What does the suffix '-otia' refer to?

Answer 53

ear condition ## Footnote Used in terms like otitis.

Question 54

What does the suffix '-phobia' mean?

Answer 54

fear ## Footnote Commonly used in psychological terms.

Question 55

What does the suffix '-plegic' mean?

Answer 55

paralysis; palsy ## Footnote Used in terms describing loss of function.

Question 56

What does the suffix '-tropia' mean?

Answer 56

to turn ## Footnote Often used in ophthalmology to describe eye turns.