special senses q10

Question 1

a

Answer 1

optic nerve cn ii

Question 2

b

Answer 2

lens

Question 3

a

Answer 3

superior rectus

Question 4

b

Answer 4

lateral rectus

Question 5

c

Answer 5

inferior oblique

Question 6

a

Answer 6

superior rectus

Question 7

b

Answer 7

superior oblique

Question 8

c

Answer 8

medial rectus

Question 9

d

Answer 9

inferior oblique

Question 10

a

Answer 10

superior rectus

Question 11

b

Answer 11

superior oblique

Question 12

c

Answer 12

medial rectus

Question 13

d

Answer 13

inferior rectus

Question 14

e

Answer 14

inferior oblique

Question 15

a

Answer 15

levator palpebrae superioris

Question 16

b

Answer 16

lacrimal canal

Question 17

c

Answer 17

lacrimal sac

Question 18

d

Answer 18

lacrimal gland

Question 19

e

Answer 19

excretory duct

Question 20

f

Answer 20

tarsal plates

Question 21

a

Answer 21

superior and inferior lacrimal puncta

Question 22

a

Answer 22

levator palpebrae superioris

Question 23

b

Answer 23

palpebral conjunctiva

Question 24

c

Answer 24

lacrimal gland

Question 25

a

Answer 25

sclera

Question 26

b

Answer 26

cornea

Question 27

Answer 27

choroid

Question 28

a

Answer 28

choroid

Question 29

b

Answer 29

pupil

Question 30

c

Answer 30

iris

Question 31

a

Answer 31

ciliary process

Question 32

b

Answer 32

suspensory ligaments

Question 33

c

Answer 33

ciliary body

Question 34

a

Answer 34

pupillary dilators

Question 35

b

Answer 35

pupillary constrictors

Question 36

a

Answer 36

retina

Question 37

b

Answer 37

fovea centralis

Question 38

c

Answer 38

macula lutea

Question 39

Answer 39

optic disc

Question 40

a

Answer 40

posterior cavity

Question 41

b

Answer 41

anterior cavity

Question 42

c

Answer 42

posterior chamber

Question 43

d

Answer 43

anterior chamber

Question 44

a

Answer 44

external auditory canal

Question 45

b

Answer 45

pinna/auricle

Question 46

a

Answer 46

stapes

Question 47

b

Answer 47

tensor tympani

Question 48

c

Answer 48

auditory/ eustacian tube

Question 49

d

Answer 49

incus

Question 50

e

Answer 50

malleus

Question 51

f

Answer 51

tympanic membrane/ tympanum

Question 52

a

Answer 52

ampulla

Question 53

b

Answer 53

vestibule

Question 54

c

Answer 54

cochlea

Question 55

d

Answer 55

anterior semicircular canal

Question 56

e

Answer 56

posterior semicircular canal

Question 57

f

Answer 57

lateral semicircular canal

Question 58

a

Answer 58

utricle

Question 59

b

Answer 59

saccuole

Question 60

c

Answer 60

cochlea

Question 61

d

Answer 61

oval window

Question 62

e

Answer 62

anterior semicircular canal

Question 63

f

Answer 63

posterior semicircular canal

Question 64

g

Answer 64

lateral semicircular canal

Question 65

a

Answer 65

oval window

Question 66

b

Answer 66

ampulla

Question 67

a

Answer 67

posterior semicircular duct

Question 68

b

Answer 68

anterior semicircular duct

Question 69

c

Answer 69

vestibular branch of cn viii

Question 70

d

Answer 70

cochlear branch of cn viii

Question 71

a

Answer 71

posterior semicircular canal

Question 72

b

Answer 72

lateral semicircular canal

Question 73

c

Answer 73

round window

Question 74

a

Answer 74

anterior semicircular duct

Question 75

b

Answer 75

anterior semicircular canal

Question 76

c

Answer 76

utricle

Question 77

d

Answer 77

saccule

Question 78

a

Answer 78

scala vestibuli

Question 79

b

Answer 79

vestibular membrane

Question 80

c

Answer 80

tectorial membrane

Question 81

d

Answer 81

scala media

Question 82

e

Answer 82

basilar membrane

Question 83

f

Answer 83

scala tympani

Question 84

g

Answer 84

organ of corti

Question 85

a

Answer 85

scala vestibuli

Question 86

b

Answer 86

tectorial membrane

Question 87

c

Answer 87

scala tympani

Question 88

d

Answer 88

vestibular membrane

Question 89

e

Answer 89

scala media

Question 90

f

Answer 90

organ of corti

Question 91

g

Answer 91

basilar membrane

Question 92

innervation of lacrimal gland

Answer 92

viii/ pns produces normal amount of tears
ophthalmic of v causes overproduction of tears

Question 93

innervation of orbicularis oris

Answer 93

vii

Question 94

innervation of levator palpebrae superioris

Answer 94

iii

Question 95

innervation of superior oblique

Answer 95

iv

Question 96

innervation of lateral rectus

Answer 96

vi

Question 97

innervation of *other extrinsic muscles of the eye

Answer 97

iii

Question 98

action of inferior oblique

Answer 98

pulls superior and laterally

Question 99

action of superior oblique

Answer 99

pulls inferior and laterally

Question 100

describe vasculature of the fibrous tunic

Answer 100

sclera is vascular and cornea is avascular

Question 101

another name for suspensory ligaments

Answer 101

zonular fibers

Question 102

where is the highest density of cones?

Answer 102

fovea centralis

Question 103

what humor is replaced?

Answer 103

aqueous humor; vitreous is for life

Question 104

pathway of aqueous humor

Answer 104

ciliary process, posterior chamber of anterior cavity, pupil, anterior chamber of anterior cavity, canal of schlemm, general blood circulation

Question 105

what produces aqueous humor

Answer 105

ciliary process

Question 106

pathway of tears

Answer 106

lacrimal glands, excretory duct, tears medially move across eye, lacrimal puncta, lacrimal canilliculi, lacrimal sac, nasolacrimal canal, inferior nasal meatus, nasal cavity

Question 107

neural and pigmented layers of this structure separate. photoreceptors have no blood supply and die

Answer 107

detached retina

Question 108

clouding of the lens due to inadequate delivery of nutrients

Answer 108

cataracts

Question 109

why is their minimal rejection of corneal transplants

Answer 109

the cornea is an avascular layer

Question 110

loss of near vision as the lens thickens and accommodation is lost with age

Answer 110

presbyopia

Question 111

where does the lens focus in myopia

Answer 111

in front of the retina

Question 112

describe eyeball in myopia

Answer 112

long

Question 113

what lenses for myopia

Answer 113

concave

Question 114

where does lens focus in hyperopia

Answer 114

behind retina

Question 115

describe eyeball for hyperopia

Answer 115

short

Question 116

what lenses for hyperopia

Answer 116

convex

Question 117

more aqueous humor forms than is drained and pressure compresses the optic nerve

Answer 117

glaucoma

Question 118

macula lutea deteriorates, building up pigment. there is a dry and wet form

Answer 118

age-related macular disease

Question 119

infection of cornea or conjunctiva leading to inflammation which eventually causes scarring and blindness

Answer 119

trachoma

Question 120

weak extrinsic eye muscles leading to being cross-eyed

Answer 120

strabismus

Question 121

describe what is happening in far vision

Answer 121

ciliary muscles is relaxed making zonular fibers tense and a thin lens

Question 122

describe what is happening in near vision

Answer 122

ciliary muscle contracts, relaxing zonular fibers, and creating a thick lens

Question 123

pathway of sound

Answer 123

auricle/pinna, external auditory canal, tympanic membrane, malleus, incus, stapes, displaces perilymph in scala vestibuli, vibrates vestibular membrane, displaces endolymph in scala media, vibrates basilar membrane, hair cells rub against tectorial membrane, nerve impulse sent through cochlear branch of cn viii vestibulocochlear

Question 124

innervation of tensor tympani

Answer 124

mandibular branch of cn v

Question 125

innervation of stapedius

Answer 125

vii

Question 126

used for sensorineural deafness. sound energy is converted into electric signals that directly stimulate the cochlear nerve

Answer 126

cochlear implants

Question 127

sound conduction is impeded in the external or middle ear

Answer 127

conductive deafness

Question 128

problem with the cochlea or neural pathway of hearing

Answer 128

senoriineural deafness

Question 129

infection from throat goes to middle ear to mastoid air cells to the brain

Answer 129

mastoiditis

Question 130

membranous labyrinth is distorted by excess endolymph that distorts equilibrium

Answer 130

meniere’s disease

Question 131

involuntary motion of the eye

Answer 131

nystagmus

Question 132

another name for middle ear infection

Answer 132

otitis media

Question 133

tiny tubes are inserted through the tympanic membrane to drain into the external ear for middle ear infectin

Answer 133

myringotomy

Question 134

excessive growth of bone tissue makes it such that the stapes can’t move resulting in deafness

Answer 134

otosclerosis

Question 135

tear of tympanic membrane from otitis media or pressure from a cotton swab

Answer 135

perforated eardrum

Question 136

gradual loss of hearing with age starting with high-pitched sounds

Answer 136

presbycusis

Question 137

persistent noise often started to a head/cochlea injury or exposure to a loud noise

Answer 137

tinnitus

Question 138

where do lower frequencies vibrate basilar membrane

Answer 138

closer to apex of cochlea

Question 139

where do higher frequencies vibrate basilar membrane

Answer 139

closer to base of chochlea

Question 140

frequencies change where basilar membrane vibrates

Answer 140

tonotopic organization

Question 141

role of utricle

Answer 141

static equilibrium/ horizontal linear acceleration

Question 142

role of saccule

Answer 142

static equilibrium; vertical linear acceleration

Question 143

function of semicircular canals

Answer 143

monitor rotational acceleration of the head