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A&P > Chapter 17 Special Senses > Flashcards

Chapter 17 Special Senses Flashcards

1
Q

chemical component of tears that is a natural antibiotic

A

lyoszyme

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2
Q

nerve that innervates the lacrimal gland

A

facial

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3
Q

epithelium that makes up the conjunctiva

A

stratified squamous

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4
Q

extrinsic eye muscle innervated by the trochlear nerve

A

superior oblique muscle

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5
Q

extrinsic eye muscle innervated by the abducens nerve

A

lateral rectus

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6
Q

cranial nerve that innervates the inferior rectus muscle

A

oculomotor

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7
Q

the intrinsic eye muscle that controls the shape of the lens

A

ciliary

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8
Q

the intrinsic eye muscle that changes pupil size and is innervated by the oculomotor nerve

A

constrictor pupillae

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9
Q

parts of the fibrous tunic of the eye

A

cornea, sclera

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10
Q

part of the vascular tunic of the eye that contains the dilator and constrictor pupillae muscles

A

iris

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11
Q

part of the vascular tunic of the eye that controls the shape of the lens

A

ciliary body (muscle)

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12
Q

the choroid is part of this tunic of the eye

A

vascular

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13
Q

type of tissue that makes up the sclera

A

dense fibrous

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14
Q

layer of the eyeball that contains melanin and blood vessels for nourishment of the retina

A

choroid

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15
Q

two components of the ciliary body

A

ciliary muscle, ciliary process

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16
Q

the part of the eye that makes aqueous humor

A

ciliary process

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17
Q

the term that describes the ability of the lens to change its shape

A

accomodation

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18
Q

what happens to the lens when the ciliary muscle relaxes

A

bulge

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19
Q

two parts of the eye that have no blood vessels

A

cornea & lens

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20
Q

part of the eye that contains aqueous humor

A

anterior cavity

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21
Q

the anterior and posterior chambers of the eye are divisions of this major cavity in the eye

A

anterior

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22
Q

part of the eye that contains vitreous humor

A

posterior cavity

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23
Q

nerve that innervates the ciliary muscle

A

oculomotor nerve

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24
Q

photoreceptors responsible for dim light vision

A

rods

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25
Q

photoreceptors responsible for visual acuity

A

cones

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26
Q

photoreceptors responsible for color

A

cones

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27
Q

layer of retinal cells closest to the choroid

A

pigmented epithelium

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28
Q

layer of retinal cells located closest to the vitreous humor

A

ganglion cells

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29
Q

the part of the retina that contains only cones

A

fovea centralis

30
Q

part of the retina that has no rods or cones

A

optic disc (blind spot)

31
Q

aqueous humor is drained into this structure

A

canal of Schlemm

32
Q

bending of light from one medium to another

A

refraction

33
Q

the first structure of the eye that light must pass through on its way to the retina

A

cornea

34
Q

shape of the lens for far vision

A

flat

35
Q

shape of the lens for near vision

A

round

36
Q

old age vision (inability of lens to change its shape)

A

presbyopia

37
Q

condition in which the eyeball is too long

A

myopia

38
Q

an increase in aqueous humor can lead to a build up of pressure in the anterior cavity and a condition called

A

glaucoma

39
Q

near-sightedness

A

myopia

40
Q

this condition results in the picture focusing behind the retina

A

hyperopia

41
Q

irregular curvature of the cornea

A

astigmatism

42
Q

clouding of the lens

A

cataract

43
Q

the chemical responsible for changing its shape in response to light in rods and cones comes from this vitamin

A

A

44
Q

fibers that cross over in the optic chiasma come from this part of the retina

A

medial

45
Q

medial retina fibers are used for this type of vision

A

peripheral

46
Q

place in the brain where the visual cortex is found

A

occipital lobe

47
Q

unique type of tissue found in an auricle

A

elastic cartilage

48
Q

bone that houses the middle ear

A

temporal

49
Q

structure that separates the external from the middle ear

A

tympanic membrane

50
Q

bone attached to the tympanic membrane

A

malleus

51
Q

bone that vibrates against the oval window

A

stapes

52
Q

tube that connects the antrum to the nasopharynx

A

Eustachian (auditory)

53
Q

space of the middle ear that houses the three ossicles

A

antrum

54
Q

part of the middle ear responsible for equalizing air pressure on the two sides of the tympanic membrane

A

Eustachian (auditory) tube

55
Q

hearing receptors found in the cochlear duct

A

organ of Corti

56
Q

the major part of the internal ear involved in hearing

A

cochlea

57
Q

end of the fluid chamber (scala tympani) that stops the wave of fluid flowing through the cochlea

A

round window

58
Q

nerve that carries hearing impulses to the brain

A

VIII, vestibulocochlear

59
Q

type of deafness due to ossification of joints between ossicles

A

conduction

60
Q

type of deafness due to damage to the organ of Corti

A

sensorineural

61
Q

type of deafness due to damage to the temporal lobe of the brain

A

sensorineural

62
Q

hair cells in the internal ear send action potentials when the cell is deformed making these cells what types of receptors

A

mechanoreceptors

63
Q

part of the internal ear responsible for rotational movement of the head

A

semicircular canals

64
Q

part of the internal ear responsible for detecting head position

A

vestibule

65
Q

the receptor cells of the utricle and saccule are found in which part of the internal ear

A

vestibule

66
Q

olfactory nerves have to pierce this bone to reach the brain

A

ethmoid

67
Q

olfactory receptors respond to different chemicals and are classified as this basic type of receptor

A

chemoreceptors

68
Q

a special sense that adapts rapidly

A

olfaction

69
Q

nerve that carries impulses from taste buds on the anterior 2/3 of the tongue

A

facial

70
Q

nerve that carries impulses from taste buds at the back of the tongue

A

glossopharyngeal

71
Q

nerve that carries impulses from taste buds on the epiglottis

A

vagus

A&P (16 decks)

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