NBDE ANATOMICAL SCIENCES: Nerves

Question 1

Name the nerve: CN I

Answer 1

olfactory

Question 2

Name the nerve: CN II

Answer 2

optic

Question 3

Name the nerve: CN III

Answer 3

oculomotor

Question 4

Name the nerve: CN IV

Answer 4

trochlear

Question 5

Name the nerve: CN V

Answer 5

trigeminal

Question 6

Name the nerve: CN VI

Answer 6

abducens

Question 7

Name the nerve: CN VII

Answer 7

Facial

Question 8

Name the nerve: CN VIII

Answer 8

vestibulocochlear

Question 9

Name the nerve: CN IX

Answer 9

glossopharyngeal

Question 10

Name the nerve: CN X

Answer 10

Vagus

Question 11

Name the nerve: CN XI

Answer 11

accessory spinal

Question 12

Name the nerve: CN XII

Answer 12

hyoglossal

Question 13

what category does CN I have and what is the function

Answer 13

olfactory nerve: special sensory: smell

Question 14

what category does CN II have and what is the function

Answer 14

optic nerve: special sensory: vision

Question 15

what category does CN III have and what is the function

Answer 15

oculomotor nerve:
somatic motor: extraocular eye muscles
parasympathetic: muscles around lens of the eye

Question 16

what category does CN IV have and what is the function

Answer 16

trochlear:

somatic motor: one eye muscle (SO4) = superior oblique

Question 17

what category does CN V have and what is the function

Answer 17

brachial motor: all muscles of mastication

general sensory: sensory to all of head

Question 18

what category does CN VI have and what is the function

Answer 18

Abducens:

Brachial motor: to one eye muscle: Lateral Rectus (remember mnemonic: SO4,LR6) all others are CNIII (occulomotor)

Question 19

what category does CN VIII have and what is the function

Answer 19

Facial Nerve:
Brachial motor: muscles of facial expression
Parasympathetic: all glands of head except the parotid and skin glands
General sensory: external auditory meatus and small area around the ear
Special sensory: taste to anterior 2/3 of tongue and palate

Question 20

what category does CN VIII have and what is the function

Answer 20

Vestibulocochlear

Special sensory: hearing and balance

Question 21

what category does CN IX have and what is the function

Answer 21

Glossopharyngeal nerve
brachial motor: Stylopharyngeus muscle
Parasympathetic: parotid gland
General sensory: pharynx, middle ear, posterior 1/3 of tongue
special sensory: taste: posterior 1/3 of tongue
visceral sensory: carotid body and carotid sinus

Question 22

what category does CN X have and what is the function

Answer 22

Vagus nerve:
Brachial motor: pharynx, larynx, soft palate
PNS: smooth muscle and glands of pharynx, larynx, throat and abdomen
General sensory: small area of ear, tympanic membrane, dura mater, posterior cranial fossa, larynx
Special sensory: taste to epiglottis
visceral sensory: visceral sensation from thorax and abdomen

Question 23

what category does CN XI have and what is the function

Answer 23

Accessory Spinal Nerve:

Brachial motor: sternocleidomastoid and trapezius

Question 24

what category does CN XII have and what is the function

Answer 24

hyoglossal nerve: all intrinsic and extrinsic tongue muscles except palatoglossus

Question 25

what CN supplies Brachial motor to muscles of mastication

Answer 25

CN V (trigeminal)

Question 26

what CN supplies brachial motor to muscles of facial expression

Answer 26

CN VII (facial)

Question 27

what CN supplies special sensory to the anterior 2/3 of the tongue

Answer 27

facial nerve (CN VII)

Question 28

what CN supplies GENERAL SENSORY TO ALL of head

Answer 28

CN V (trigeminal)

Question 29

what CN supplies parasympathetic innervation to all the glands in the head except the skin and parotid

Answer 29

Facial nerve (CN VII)

Question 30

general sensory to external auditory meatus and small area around the ear

Answer 30

Facial nerve (CN VII)

Question 31

special sensory for balance and hearing

Answer 31

CN VIII vestibulochochlear

Question 32

which cranial nerve gives Parasympathetic innervation to parotid gland

Answer 32

CN IX glossopharyngeal

Question 33

which cranial nerve gives visceral sensory to carotid body and carotid sinus

Answer 33

CN IX glossopharyngeal

Question 34

special sensory: taste to epiglottus

Answer 34

vagus X

Question 35

brachial motor to trapezius

Answer 35

accessory spinal (XI)

Question 36

brachial motor to sternocleidomastoid

Answer 36

accessory spinal (XI)

Question 37

somatic motor to all intrinsic and extrinsic muscles of the tongue except the palatoglossus

Answer 37

CN XII hyoglossus

Question 38

brachial motor to pharynx, larynx, and soft palate

Answer 38

X

Question 39

General sensory to posterior 1/3 of tongue

Answer 39

glossopharyngeal (IX)

Question 40

taste to posterior 1/3 of tongue

Answer 40

glossopharyngeal (IX)

Question 41

brachia motor to styopharyngues muscle

Answer 41

glossopharyngeal (IX)

Question 42

general sensory to pharynx, middle ear, and posterior 1/3 of tongue

Answer 42

glossopharyngeal (IX)

Question 43

visceral sensory from thorax and abdomen

Answer 43

X

Question 44

general sensory: tympanic membrane

Answer 44

X

Question 45

general sensory larynx

Answer 45

vagus

Question 46

general sensory to dura mater

Answer 46

X

Question 47

general sensory to posterior cranial fossa

Answer 47

X

Question 48

parasympathetic to smooth muscle and glands of pharynx, larynx and abdomen

Answer 48

vagus

Question 49

general sensory to the posterior 1/3 of tongue

Answer 49

glossopharyngeal

Question 50

special sensory (taste) to the tongue

Answer 50

anterior 2/3 facial | posterior 1/3 glossopharyngeal