Lab Practical 3

Question 1

Answer 1

Filaments of the olfactory nerve (I)
Sensory, carries afferent impulses for senses of smell

Question 2

Answer 2

Optic Nerve (II)
Sensory, carries afferent impulses associated with vision

Question 3

Answer 3

Oculomotor Nerve (III)
Motor, motor fibers to direct eyeball

Question 4

Answer 4

Trochlear Nerve (IV)
Motor, provides somatic motor fibers to superior oblique muscle that moves eyeball

Question 5

Answer 5

Trigeminal Nerve (V)
Mixed, sensory nerve of face, motor nerve that innervate muscles of mastication

Question 6

Answer 6

Abducens Nerve (VI)
Motor, somatic motor fibers to lateral rectus muscle to abduct eyeball

Question 7

Answer 7

Facial Nerve (VII)`
Mixed, sensory fibers from taste receptors of tongue, motor fibers for facial expression

Question 8

Answer 8

Vestibulocochlear Nerve (VIII)
Sensory, vestibular branch- > associated with sense of equilibrium, cochlear branch transmits impulses associated with hearing

Question 9

Answer 9

Glossopharyngeal Nerve (IX)
Mixed, sensory fibers from pharynx, tonsils, taste buds; motor fibers pharyngeal muscles

Question 10

Answer 10

Vagus Nerve (X)
Mixed, sensory and motor fibers associated with pharynx and larynx,

Question 11

Answer 11

Accessory Nerve (XI)
mixed, primarily motor, provides motor fibers to trapezius and sternocleidomastoid

Question 12

Answer 12

Hypoglossal Nerve (XII)
mixed, primarily motor; provides motor fibers to muscles of the tongue

Question 13

Answer 13

Frontal Lobe

Question 14

Answer 14

Temporal Lobe

Question 15

Answer 15

Infundibulum

Question 16

Answer 16

Olfactory Bulb

Question 17

Answer 17

Olfactory Tract

Question 18

Answer 18

Optic Chiasma

Question 19

Answer 19

Optic Tract

Question 20

Answer 20

Cerebellum

Question 21

Answer 21

Medulla Oblongata

Question 22

Answer 22

Midbrain

Question 23

Answer 23

Pons

Question 24

Answer 24

Mammillary bodies

Question 25

Answer 25

Precentral gyrus

Question 26

Answer 26

Postcentral gyrus

Question 27

Answer 27

Central sulcus

Question 28

Answer 28

Parietal lobe

Question 29

Answer 29

Frontal Lobe

Question 30

Answer 30

Parieto-occipital sulcus

Question 31

Answer 31

occipital lobe

Question 32

Answer 32

cerebellum

Question 33

Answer 33

lateral sulcus

Question 34

Answer 34

temporal lobe

Question 35

Answer 35

pons

Question 36

Answer 36

medulla oblongata

Question 37

Answer 37

endoneurium

Question 38

Answer 38

perineurium

Question 39

Answer 39

epineurium

Question 40

Answer 40

axon

Question 41

Answer 41

myelin sheath

Question 42

Answer 42

fascicle

Question 43

Answer 43

blood vessels

Question 44

What muscle moves the eye laterally?

Answer 44

Lateral rectus

Question 45

What muscle moves the eye medially?

Answer 45

Medial rectus

Question 46

What muscle elevates the eye and turns it laterally?

Answer 46

Inferior oblique

Question 47

What muscle depresses the eye and turns it laterally?

Answer 47

Superior oblique

Question 48

What muscle depresses the eye and turns it medially?

Answer 48

Inferior rectus

Question 49

What muscle elevates the eye and turns it medially?

Answer 49

Superior rectus

Question 50

T/F Afferent neurons contain motor processes.

Answer 50

F; contain sensory processes

Question 51

T/F Efferent neurons contain motor processes.

Answer 51

T

Question 52

Answer 52

Olfactory bulb

Question 53

Answer 53

Optic nerve (II)

Question 54

Answer 54

Infundibulum

Question 55

Answer 55

Mammillary body

Question 56

Answer 56

Cerebral peduncle

Question 57

Answer 57

Pons

Question 58

Answer 58

Trigeminal Nerve (V)

Question 59

Answer 59

Abducens Nerve (VI)

Question 60

Answer 60

Medulla oblongata

Question 61

Answer 61

Olfactory bulb

Question 62

Answer 62

Longitudinal fissure

Question 63

Answer 63

Cerebrum

Question 64

Answer 64

Cerebellum

Question 65

Answer 65

Pineal gland

Question 66

Answer 66

Superior colliculus of corpora quadrigemina

Question 67

Answer 67

Inferior colliculus of corpora quadrigemina

Question 68

Answer 68

Arbor vitae

Question 69

Answer 69

Cerebral hemisphere

Question 70

Answer 70

corpus callosum

Question 71

Answer 71

Frontal lobe of cerebrum

Question 72

Answer 72

Fornix

Question 73

Answer 73

Interthalamic adhesion

Question 74

Answer 74

Cerebral peduncle

Question 75

Answer 75

Optic chiasma

Question 76

Answer 76

Pineal gland

Question 77

Answer 77

Corpora quadrigemina

Question 78

Answer 78

Medulla oblongata

Question 79

Answer 79

Pons

Question 80

Answer 80

Lacrimal sac

Question 81

Answer 81

Medial commissure; form corner of eye, contain lacrimal caruncle

Question 82

Answer 82

Lacrimal caruncle; lubricates eye

Question 83

Answer 83

Lacrimal gland; secretes lacrimal fluid, containing mucous, antibodies, and lysozymes

Question 84

Answer 84

Lacrimal commissure; form corner of eye

Question 85

Answer 85

Lacrimal punctum; allow fluid to drain into lacrimal canaliculi

Question 86

Answer 86

Lacrimal canaliculus; allow lacrimal fluid to drain into lacrimal sac

Question 87

Answer 87

Nasolacrimal duct; allows lacrimal fluid to drain into nasal cavity

Question 88

Answer 88

palpebral conjunctiva; clear mucus membrane that lines eyelid

Question 89

Answer 89

Bulbar conjunctiva; mucous membrane that lines anterior white of eye

Question 90

Answer 90

Superior oblique muscle; depresses eye and turns it laterally

Question 91

Answer 91

Superior rectus muscle: elevates eye and turns it medially

Question 92

Answer 92

Inferior rectus muscle; depresses eye and turns it medially

Question 93

Answer 93

Inferior oblique muscle; elevates eye and turns it laterally

Question 94

Answer 94

Lateral rectus; moves eye laterally

Question 95

Answer 95

Lens

Question 96

Answer 96

Anterior segment, containing aqueous humor

Question 97

Answer 97

Posterior segment, containing vitreous humor

Question 98

Answer 98

Cornea, forms clear window for light refraction

Question 99

Answer 99

Iris, changes size of pupil diameter to control amount of light entering

Question 100

Answer 100

Sclera, maintain shape of eyeball

Question 101

Answer 101

Choroid; contains blood vessels

Question 102

Answer 102

Retina

Question 103

Answer 103

Olfactory tract

Question 104

Answer 104

Olfactory bulb

Question 105

Answer 105

Nasal conchae

Question 106

Answer 106

Mitral cell

Question 107

Answer 107

Glomeruli

Question 108

Answer 108

Olfactory tract

Question 109

Answer 109

Olfactory stem cell, or basal cell

Question 110

Answer 110

Olfactory gland

Question 111

Answer 111

Olfactory epithelium

Question 112

Answer 112

Olfactory sensory neuron

Question 113

Answer 113

Supporting cell

Question 114

Answer 114

Epiglottis

Question 115

Answer 115

Palatine tonsil

Question 116

Answer 116

Linguala tonsil

Question 117

Answer 117

Foliate papillae

Question 118

Answer 118

Fungiform papillae

Question 119

Answer 119

Basal epithelial cell

Question 120

Answer 120

Gustatory epithelial cell

Question 121

Answer 121

Pinna, or auricle

Question 122

Answer 122

External acoustic meatus

Question 123

Answer 123

Tympanic membrane

Question 124

Answer 124

Malleus

Question 125

Answer 125

Incus

Question 126

Answer 126

Stapes

Question 127

Answer 127

Pharyngotympanic tube