Cranial Nerves

Question 1

cranial nerve I

Answer 1

olfactory

Question 2

cranial nerve II

Answer 2

optic

Question 3

cranial nerve III

Answer 3

oculomotor

Question 4

cranial nerve IV

Answer 4

trochlear

Question 5

cranial nerve V

Answer 5

trigeminal

Question 6

cranial nerve VI

Answer 6

abducens

Question 7

cranial nerve VII

Answer 7

facial

Question 8

cranial nerve VIII

Answer 8

vestibulocochlear

Question 9

cranial nerve IX

Answer 9

glossopharyngeal

Question 10

cranial nerve X

Answer 10

vagus

Question 11

cranial nerve XI

Answer 11

spinal accessory

Question 12

cranial nerve XII

Answer 12

hypoglossal

Question 13

what is the olfactory nerve (I) associated with?

Answer 13

the cerebrum

Question 14

what does the olfactory nerve pass through?

Answer 14

cribriform plate in ethmoid bone

Question 15

what job does the olfactory nerve have?

Answer 15

special sensory (smell)

Question 16

what is the optic nerve associated with?

Answer 16

diencephalon

Question 17

what is the origin of the optic nerve?

Answer 17

retina of the eye

Question 18

what is the function of the optic nerve

Answer 18

special sensory (vision)

Question 19

what is the unity of the two optic nerves called?

Answer 19

the optic chiasm

Question 20

what do the optic nerves move through?

Answer 20

the thalamus via optic tracts and then pass to the visual cortex in the occipital lobe of the cerebrum

Question 21

what is the function of the oculomotor nerve?

Answer 21

motor (eye)

Question 22

what is the oculomotor nerve associated with?

Answer 22

the midbrain (mesencephalon)

Question 23

what does the oculomotor nerve pass through?

Answer 23

the superior orbital fissure of the sphenoid

Question 24

somatic motor functions of the oculomotor nerve?

Answer 24

eye movement: superior/inferior/medial recti muscles, inferior oblique muscle

Question 25

parasympathetic motor functions of the oculomotor nerve

Answer 25

intrinsic eye muscles (adjust lens and constrict pupil)

Question 26

what is the function of the trochlear nerve?

Answer 26

motor (eye)

Question 27

what does the trochlear nerve pass through?

Answer 27

the superior orbital fissure of the sphenoid bone

Question 28

the trochlear nerve is associated with the...

Answer 28

midbrain (mesencephalon)

Question 29

trochlear nerve is the _____ nerve and the only nerve that exits _____

Answer 29

smallest, posteriorly

Question 30

somatic motor functions of the trochlear nerve

Answer 30

eye movement: superior oblique muscle

Question 31

trigeminal nerve function is

Answer 31

mixed (both sensory and motor)

Question 32

trigeminal nerve passes through the

Answer 32

sphenoid

Question 33

the different branches of the trigeminal nerve are

Answer 33

opthalamic (V1), maxillary (V2), mandibular (V3)

Question 34

sensory functions of the opthalamic branch of the trigeminal nerve

Answer 34

skin of the forehead, upper eyelid, eyebrow

Question 35

sensory functions of the maxillary branch of the trigeminal nerve

Answer 35

lower eyelid, upper lips, gums and teeth, cheek and nose

Question 36

sensory functions of the mandibular branch of the trigeminal nerve

Answer 36

lower gums, teeth, and lips, chin

Question 37

general sensory function of the trigeminal nerve

Answer 37

carries sensations from the skin and mucosa of most of the head and face; touch, pain, and thermal sensations from the scalp, face, and oral cavity (including the teeth and anterior 2/3 of the tongue)

Question 38

mandibular branch of trigeminal nerve motor functions

Answer 38

chewing and control of the middle ear muscle, innervate most muscles of mastication

Question 39

trigeminal nerve is associated with the....

Answer 39

pons

Question 40

abducens nerve is associated with the ....

Answer 40

pons

Question 41

the abducens nerve passes through the...

Answer 41

superior orbital fissure of the sphenoid

Question 42

the abducens ends at the

Answer 42

lateral rectus muscles

Question 43

function of abducens nerve

Answer 43

motor (eye), ABducens, ABduct

Question 44

facial nerve function

Answer 44

mixed (sensory and motor)

Question 45

sensory function of the facial nerve

Answer 45

taste from anterior 2/3 of tongue, touch, pain, and thermal sensations from sin in external ear canal

Question 46

motor function of facial nerve (brachial)

Answer 46

control of muscles of facial expression and middle ear muscle

Question 47

motor function of facial nerve (autonomic)

Answer 47

secretion of tears and saliva

Question 48

facial nerve parasympathetic NS

Answer 48

submandibular and sublingual salivary glands, lacrimal glands, nasal mucus glands

Question 49

vestibulocochlear nerve function

Answer 49

special sensory (hearning and balane)

Question 50

vestibulocochlear nerve passes through the

Answer 50

internal acoustic meatus of the temporal bone

Question 51

branches of vestibulocochlear

Answer 51

vestibular and cochlear

Question 52

vestibulocochlear nerve is associated with the

Answer 52

medulla oblongata

Question 53

glossopharyngeal nerve function

Answer 53

mixed (sensory and motor)

Question 54

glossopharyngeal nerve passes through

Answer 54

the jugular foramen

Question 55

sensory functions of the glossopharyngeal nerve

Answer 55

taste from the posterior 1/3 tongue, proprioception in some swallowing muscles, monitoring of blood pressure and oxygen and CO2 levels in blood, touch pain, and thermal sensations from skin of the external ear and upper pharynx

Question 56

motor functions of the glossopharyngeal nerve (brachial)

Answer 56

assists in swallowing

Question 57

motor functions of the glossopharyngeal nerve (autonomic)

Answer 57

secretion of saliva-parotid salivary gland

Question 58

function of the vagus nerve

Answer 58

mixed (sensory and motor)

Question 59

sensory function of the vagus nerve

Answer 59

taste from epiglottis, proprioception from throat and voice box muscles, monitoring of blood pressure and oxygen/CO2 levels in blood, touch, pain, and thermal sensations from skin of external ear, sensations from thoracic and abdominal organs

Question 60

motor function of vagus nerve (brachial)

Answer 60

swallowing, vocalization, and coughing

Question 61

motor function of vagus nerve (autonomic)

Answer 61

motility and secretion of GI organs, constriction of respiratory passageways, decrease in heart rate

Question 62

vagus nerve passes through the

Answer 62

jugular foramen

Question 63

vagus nerve is associated with the

Answer 63

medulla oblongata

Question 64

spinal accessory nerve passes through the

Answer 64

jugular foramen

Question 65

function of the spinal accessory nerve

Answer 65

motor

Question 66

motor function of the spinal accessory nerve

Answer 66

movement of the head and pectoral girdle

Question 67

spinal accessory nerve is associated with the

Answer 67

medulla oblongata

Question 68

function of the hypoglossal nerve

Answer 68

motor (tongue movements)

Question 69

motor function of hypoglossal nerve

Answer 69

somatic: speech, manipulation of food and swallowing

Question 70

hypoglossal nerve passes through the

Answer 70

hypoglossal canal of the occipital bone

Question 71

hypoglossal nerve is associated with the

Answer 71

medulla oblongata