1

Question 1

Muscles supplied by the superior Ramus?

Answer 1

Superior rectus, Levator palpebrea superioris

Question 2

C.N. III is _________only?

Answer 2

Motor

Question 3

What are the 3 nucleus of termination for CN V?

Answer 3

Main sensory, spinal, mesencephalic.

Question 4

What would involve inability to constrict the pupil as well as loss of light reflexes?

Answer 4

Internal opthalmplegia

Question 5

What type of CN paralysis is most common>?

Answer 5

Abducens

Question 6

What does CN VI supply?

Answer 6

Motor to the lateral rectus

Question 7

What are the 4 branches of the opthalmic division ?>

Answer 7

Meningeal, lacrimal, frontal, nasocillary.

Question 8

Cell bodies to main and spinal nuclei have cell bodies located where?

Answer 8

Trigeminal Ganglion

Question 9

What nerve is the only to leave off the facial nerve inside the facial canal

Answer 9

Nerve to stepidus

Question 10

The facial nerve carries what kind of fibers?

Answer 10

Both motor and sensory, it’s a mixed nerve.

Question 11

Where is the appart origin of the facial nerve

Answer 11

Medulopontoine n

Question 12

What kind of neurons cross over?

Answer 12

Secondary

Question 13

Spinal nerves are attached to the cord via what?

Answer 13

Anterior and posterior ROOTLETS

Question 14

Where are the oculomotor nuclei located?

Answer 14

Periaquicutal grey matter, anterior to the cerebral aqueduct, at the level of the superior colliculus

Question 15

The motor nucleus of the facial nerve recipes info from where?

Answer 15

Both hemispheres

Question 16

What supplies Burma mater lining the middle cranial fossa?

Answer 16

Meningeal nerve

Question 17

C.N. III exits the skull via what opening?

Answer 17

Superior orbital fissure

Question 18

The greater petrosal nerve renters the cranial vault via what?

Answer 18

Foramen lacerum

Question 19

Where are cell bodies of the sensory neurons of CN VII found?

Answer 19

The geniculate ganglion

Question 20

Ptosis is due to a weakness if what muscle or a lesion to what nerve?

Answer 20

Levator palpebrae superiorism, oculomotor nerve

Question 21

Both roots of CN VII travel together and enter what?

Answer 21

Internal acoustic meatus

Question 22

Fibers from the lacrimal nerve originated from where?

Answer 22

Pterygopalatine ganglion

Question 23

What nucleus contributes pre para fibers to the facial nerve

Answer 23

Superior salivary nucleus

Question 24

Where does CN VI exit into>?

Answer 24

Pointing cistern

Question 25

Where is the geniculate ganglion located>?

Answer 25

External genuine of the facial nerve

Question 26

Does the trochlear nerve travel anterior or posterior before is exits?

Answer 26

Anterior

Question 27

What is the apparent origin of CN IV?

Answer 27

TROCHLEAR NUCLEUS

Question 28

What branches help supply the orbicularis oculi

Answer 28

Zygomatic

Question 29

What is the once nucleus of origin for CN V>?

Answer 29

Trigeminal motor nuc

Question 30

What nerve supplies the eyeball

Answer 30

Long ciliary nerve

Question 31

Cranial nerve VI travels along what sinus?

Answer 31

Cavernous

Question 32

Is Bell's palsy unilateral or bilateral

Answer 32

Unilateral

Question 33

Lower motor neurons synapse where?

Answer 33

Rexed lamina IX

Question 34

How does the trochlear nerve exit the cranial vault?

Answer 34

Superior orbital fissure

Question 35

What is the target site for visceral (autonomic) functions ?

Answer 35

Smooth, glandular tissue, cardiac.

Question 36

The opthalmic is ________ function only?

Answer 36

Sensory

Question 37

What is the apparent origin of CN I. ?

Answer 37

Interpeduncular cistern

Question 38

Secondary sensory neurons decussate and convey info to where?

Answer 38

Thalamus (after crossing over)

Question 39

What is the origin of CN VI,

Answer 39

Medulopontine sulcus

Question 40

What is the clinical name for a droopy eyelid?>

Answer 40

Ptosis

Question 41

The opthalmic division enters the orbit via what?

Answer 41

S.O.F.

Question 42

When the roots of the facial nerve combine to form a single trunk where does it enter

Answer 42

Facial canal

Question 43

What is the smallest branch of the opthalmic division ?

Answer 43

Lacrimal

Question 44

What supplies the platysma

Answer 44

Cervical branch

Question 45

What is it called when the parotid gland is removed

Answer 45

Superficial parotidectomy

Question 46

Internuclear opthalmpplegia involves damage to what?

Answer 46

MEDIAL longitudinal fasciulus

Question 47

What is the largest CN>

Answer 47

Trigeminal

Question 48

Post para fibers of CN III pierce the sclera and travel along the internal surface of the sclera to supply?

Answer 48

The ciliaris and pupillary constrictors

Question 49

What is the largest branch of the opthalmic division?

Answer 49

Frontal

Question 50

What is the clinical word for double vision?

Answer 50

Diplopia

Question 51

The chorda tympani combines with what never

Answer 51

Lingual

Question 52

CN IV communicates with what plexus?

Answer 52

Cavernous

Question 53

What contains primary sensory nuron cell bodies?

Answer 53

Dorsal root ganglion

Question 54

What is the origin of CN IV

Answer 54

Posterior brain stem

Question 55

Where do sensory fibers carried in the facial nerve terminate?

Answer 55

Upper part of the solitary nucleus

Question 56

Where do both the trochlear and abducens never receive information from?

Answer 56

Bdmn area 8, superior colliculus and medial longitudinal colliculus

Question 57

Axons from the accessory oculomotor nucleus synapse where?

Answer 57

Ciliary ganglion

Question 58

What branch of CN V is the only to Cary motor fibers?

Answer 58

Mandibular

Question 59

Where is the trigeminal ganglion found?

Answer 59

Trigeminal cave

Question 60

Fibers from the superior salivary nucleus synapse where?>

Answer 60

Pterygopalatine or submandibular ganglion

Question 61

What branch supplies the posterior belly of the digastric

Answer 61

Digastric branch

Question 62

Where is the appart origin of CN V

Answer 62

Lateral aspect of the pons

Question 63

What are possible causes for oculomotor paralysis ?>

Answer 63

Uncal herniations, diabetes, PCA aneurysms

Question 64

Where is the trochlear nucleus located

Answer 64

Periaqueductal grey, caudal to the oculomotor nucleus.

Question 65

What cranial nerves fibers cross as the exit?

Answer 65

CN IV

Question 66

The chords tympani leaves the temporal bone via what

Answer 66

Ptertgotympanic fissure.

Question 67

What is the clinical name for crossing of the eyes either internally or externally?

Answer 67

Strabismus

Question 68

Hows does CN VI exit the skull>

Answer 68

Sup orbital fissure

Question 69

What carries sensory info to the sphenoidal and ethmoidal sinuses

Answer 69

Posterior ethmoid nerve.

Question 70

Muscles On the inferior part of the receives info only from ?

Answer 70

The contralateral cortex

Question 71

What type of CN paralysis is the rarest?

Answer 71

Trochlear

Question 72

What is the nucleus of origin for CN VI and where is it located?

Answer 72

Abducens nucleus, floor of the rhomboid fossa.

Question 73

For CN V were are the cell bodies of primary sensory neurons located?

Answer 73

Trigeminal ganglion

Question 74

What neurons release norepinephrine?

Answer 74

Postganglionic sympathetic

Question 75

Muscles supplied by the inferior Ramus include?

Answer 75

Medial branch- medial rectus Central branch- interior rectus Lateral branch- inferior oblique

Question 76

What Is the nucleus of origin for CN VII

Answer 76

Motor nucleus of the facial nerve

Question 77

What is another name for the petrosal nerve

Answer 77

Superficial petrosal nerve

Question 78

What is the target site for somatic information?

Answer 78

Skeletal muscle

Question 79

Is diplopia objective or subjective??>

Answer 79

Subjective

Question 80

What is the SMALLEST cranial nerve?

Answer 80

CN IV

Question 81

How many neurons does it take to convey somatic sensory input from the trunk to the extremities?

Answer 81

3 (to spinal cord, posterior fibers to M.O.

Question 82

Dendrites pass through the tri germinal ganglion to ascend to where?

Answer 82

Mesencephalic nucleus

Question 83

What does CN IV supply ?

Answer 83

Superior oblique

Question 84

Where are the only PRIMARY sensory neurons cell bodies located in the CNS

Answer 84

Mesencephalic nucleus