CRANIAL NERVES

Question 1

CN sensory from the nose

Answer 1

olfactory bulb/tract

Question 2

CN sensory from the eye

Answer 2

optic nerve

Question 3

CN motor to the eye

Answer 3

oculomotor nerve

Question 4

CN motor to the superior oblique m

Answer 4

trochlear nerve

Question 5

CN sensory from the face, sinuses, and teeth; motor to mussels of mastication

Answer 5

trigeminal nerve

Question 6

what are the branches from V1? what are the components

Answer 6

nasociliary branch
-posterior ethmoidal n
-anterior ethmoidal n
-infratrochlear n
-long ciliary n
frontal branch
-supraorbital n
-supratrochlear n
lacrimal branch 

all GSA

Question 7

what are the branches from V2? what are the components

Answer 7

zygomatic branch
-zygomaticofacial n
-zygomatictemporal n
infraorbital branch
posterior superior alveolar branch
pterygopalatine or sphenopalatine branch
-nasopalatine n
-posterior nasal n
-pharyngeal n
descending palatine branch
-greater palatine branch
-lesser palatine branch 

all GSA

Question 8

what are the branches from V3? what are the components

Answer 8

muscular branches
-temporal branch
-masseteric branch
-pterygoid branch
auriculotemporal n
lingual n*
long buccal n
inferior alveolar n
-mental n
-mylohyoid n*

all GSA
*GVE

Question 9

this V3 nerve innervates skin on upper auricle

Answer 9

auriculotemporal n

Question 10

this V3 nerve provides 2/3 sensory from the tongue and motor; under the temporalis, right on top of the mandible

Answer 10

lingual n

Question 11

this V3 nerve innervates the lower cheek; located under the temporalis m

Answer 11

long buccal n

Question 12

this V3 nerve is also found under the temporalis m and has some sensory function?

Answer 12

inferior alveolar n

Question 13

CN motor to the lateral rectus m

Answer 13

abducens n

Question 14

CN motor to muscles of the face, submaxillary, sublingual and tear glands; sensory form the submaxillary, sublingual, and tear glands

Answer 14

facial nerve

Question 15

this cranial nerve goes through the external auditory meatus and branches in the middle ear?

Answer 15

facial nerve

Question 16

what are the components of the facial nerve?

Answer 16

GSA, SVA, GVE, SVE

Question 17

this component of the facial nerve is when the motor fibers arise from the motor nucleus of VII?

Answer 17

SVE

Question 18

this component of the facial nerve is when the sensory fibers are first order cell bodies in the geniculate ganglion and second order cell bodies in the mesencephalic nucleus of V?

Answer 18

GSA

Question 19

this is a branch off the facial nerve proper that innervates muscles of the inferior orbital rim (upper lip)?

Answer 19

zygomatic branch of the facial nerve proper

Question 20

this is a branch off the facial nerve proper that innervates the buccinator m?

Answer 20

buccal branch of the facial nerve proper

Question 21

this is a branch off the facial nerve proper that innervates the muscles of the lower lip?

Answer 21

mandibular branch of the facial nerve proper

Question 22

this is a branch off the facial nerve proper innervates the platysma m?

Answer 22

cervical branch of the facial nerve proper

Question 23

this nerve comes from the facial nerve, drops through the floor of the middle ear chamber, also a mixed nerve?

Answer 23

chorda tympani of VII

Question 24

this is a condition that happens the facial nerve isn’t working?

Answer 24

bells palsy

Question 25

CN that is sensory from the inner ear and goes into the external auditory meatus, also SSA?

Answer 25

CN VIII

Question 26

CN that is motor to the pharyngeal muscles; sensory from the posterior part of the tongue, tonsils, and pharynx?

Answer 26

CN IX

Question 27

CN motor to the heart, lungs, bronchi, and GI tract but sensory from the heart, lungs, bronchi, trachea, larynx, pharynx, external ear and GI tract?

Answer 27

CN X

Question 28

CN motor to the SCM m and trapezius m?

Answer 28

CN XI

Question 29

CN motor to the muscles of the tongue?

Answer 29

CN XII, no sensation

Question 30

what is pneumonic for knowing if a cranial nerve is sensory, motor, or both?

Answer 30

some say marry money but my brother says big boobs matter most

Question 31

what separates the alar and basilar plates?

Answer 31

sulcus limitans

Question 32

what CN comprises the sensory nerve ganglia?

Answer 32

I olfactory bulb
II ganglionic layer of retina
V trigeminal ganglion
VII geniculate ganglia
VIII vestibular, spiral
IX superior ganglion
X superior ganglion

Question 33

what CN comprises the motor nerve ganglia?

Answer 33

III ciliary ganglia
VIl pterygopalatine, submandibular ganglia
IX otic ganglia
X terminal ganglia

autonomic
all GVE