Cranial Nerves and Cranial Nerve Nuclei

Question 1

What classification of fibres are contained in the olfactory nerve?

Answer 1

Special Sensory

Question 2

What classification of fibres are contained in the Opic nerve

Answer 2

special sensory

Question 3

What classification of fibres are contained in the occularmotor nerve?

Answer 3

somatic motor and visceral motor (parasympathetic)

Question 4

What classification of fibres are contained in the Trochlear nerve?

Answer 4

somatic motor

Question 5

What classification of fibres are contained in the Trigeminal nerve?

Answer 5

Brachial motor and somatosensory

Question 6

What classification of fibres are contained in the abducens nerve ?

Answer 6

somatic motor

Question 7

What classification of fibres are contained in the facial nerve?

Answer 7

brachial motor, sensory, visceral motor (parasympathetic)

Question 8

What classification of fibres are contained in the vestibulocochlear nerve

Answer 8

special sensory

Question 9

What classification of fibres are contained in the glossopharyngeal nerve

Answer 9

Brachial motor, senosry, visceral motor (parasympathetic)

Question 10

What classification of fibres are contained in the vagus nerve?

Answer 10

Brachial motor, senosry, visceral motor (parasympathetic)

Question 11

what classification of fibres are contained in the spinal accessory nerve?

Answer 11

motor

Question 12

What classification of fibres are contained in the hypoglossal nerve? `

Answer 12

somatic motor

Question 13

what structures are innervated by the olfactory nerve and what is the nerves main function?

Answer 13

olfactory epithelium, olfaction

Question 14

what structures are innervated by the optic nerve and what is the nerves main function?

Answer 14

retina, vision

Question 15

what structures are innervated by the oculamotor nerve and what is the nerves main function?

Answer 15

S/M/I rectus, inferior oblique, levator palpebrae, pupillary sphincter, ciliary muscle
eye movement, eyelid movement, constricts pupil, thickens lens

Question 16

what structures are innervated by the trochlear nerve and what is the nerves main function?

Answer 16

superior oblique, eye movement

Question 17

what structures are innervated by the trigeminal nerve and what is the nerves main function?

Answer 17

muscles of mastication, tensor tympani muscles, head, jaw, mouth
opening/closing mouth/chewing
dampen sounds of chewing
touch/proprioception

Question 18

what structures are innervated by the Abducens nerve and what is the nerves main function?

Answer 18

lateral rectus, outward eye movment

Question 19

what structures are innervated by the facial nerve and what is the nerves main function?

Answer 19

muscles of facial expression
anteiror 2/3 of tongue, skin of outer ear (sensory)
sublingual and submandibular lacrimal glands (motor)

Question 20

what structures are innervated by the vestibulocochlear nerve and what is the nerves main function?

Answer 20

cochlear - audition

vestibular apparatus - proprioception of head and balance

Question 21

what structures are innervated by the glossopharyngeal nerve and what is the nerves main function?

Answer 21

swallowing,
posterior 1/3 of tongue, carotid body and sinuses, mucosa of pharynx, middle year –> taste and visceral sensation
parotid gland - salvation

Question 22

what structures are innervated by the vagus nerve and what is the nerves main function?

Answer 22

soft plate, laynx, pharynx, upper oes - speech and swallowing
epiglottis - taste
thoracic and abdominal viscera - visceral sensation
skin of outer ear - somatosensation
heart, airways, abdominal viscera and GI tract - parasympathetic innovation of the heart, airways and GIT

Question 23

what structures are innervated by the assesory nerve and what is the nerves main function?

Answer 23

sternocleidomastoid and trepzius - movement of head and shoulders

Question 24

what structures are innervated by the hypoglossal nerve and what is the nerves main function?

Answer 24

intrinsic and extrinsic muscles of the tongue - movement of tongue

Question 25

where are the cell bodies of the olfactory nerve located?

Answer 25

olfactory epithelium

Question 26

where are the cell bodies of the optic nerve located?

Answer 26

retina

Question 27

where are the cell bodies of the ocularmotor nerve located?

Answer 27

ocularmotor nucleus and edinger-westphal nucleus

Question 28

where are the cell bodies of the trochlear nerve located?

Answer 28

trochlear nucleus

Question 29

where are the cell bodies of the trigeminal nerve located?

Answer 29

trigeminal motor nucleus

Question 30

where are the cell bodies of the abducensnerve located?

Answer 30

abducens nucleus

Question 31

where are the cell bodies of the facial nerve located?

Answer 31

facial motor nucleus, nucleus of the solitary tract, geniculate ganglion, superior salivary nucleus

Question 32

where are the cell bodies of the vestibulo-cochlear nerve located?

Answer 32

cochlea nuclei, vestibular nuclei

Question 33

where are the cell bodies of the glossopharangeal nerve located?

Answer 33

nucleus ambigous, inferior ganglion XI, superior ganglion IX, inferior salivary nucleus

Question 34

where are the cell bodies of the vagus nerve located?

Answer 34

nucleus ambigous, inferior ganglion of X, superior ganglion of X, dorsal motor nucleus of vagus

Question 35

where are the cell bodies of the spinal accessory nerve located?

Answer 35

spinal accessory nucleus

Question 36

where are the cell bodies of the hypoglossal nerve located?

Answer 36

hypoglossal nucleus

Question 37

what is the function of the oculomotor nucleus?

Answer 37

movement of the eye and eyelid

Question 38

what is the function of the trochlear nucleus?

Answer 38

eye movement

Question 39

what is the function of the abducens nucleus?

Answer 39

eye movement - abduction

Question 40

what is the function of the mesencephalic nucleus of trigemnial?

Answer 40

contains cell bodies of proprioceptors of muscles of mastication

Question 41

what is the function of the principle nucleus of trigeminal?

Answer 41

fine touch sensation from ipsilateral head and mouth

Question 42

what is the function of the spinal nucleus of trigeminal?

Answer 42

pain and temp from ipsilateral head and mouth

Question 43

what is the function of the facial motor nucleus?

Answer 43

movement of muscles of facial expression

Question 44

what is the function of the superior salivatory nuceli?

Answer 44

salivation, tear production

Question 45

what is the function of the NTS?

Answer 45

taste, thoracic abdominal visceral sensation

Question 46

what is the function of the dorsal motor nucleus of vagus?

Answer 46

parasympathetic invention tract, airways and other abdominal viscera

Question 47

what is the function of the hypoglossal nucleus?

Answer 47

movement of tongue

Question 48

what is the function of the nucleus ambigous?

Answer 48

muscles for swallowing and vocal cords, parasympathetic innervation of heart

Question 49

what is the function of the dorsal and ventral cochlea nuclei?

Answer 49

audition

Question 50

what is the function of the spinal accessory nucleus?

Answer 50

movment of head and shoulders

Question 51

what is the function of the vestibular nuclei?

Answer 51

balance and proprioception of head