C Cranial nerves

Question 1

Where are cranial nerve nuclei?

Answer 1

in brainstem

Question 2

Where are the sensory nuclei located?

Answer 2

laterally

Question 3

Where is the motor nuclei located?

Answer 3

medially

Question 4

What is cranial nerve I?

Answer 4

olfactory nerve

Question 5

What is the location of CN 1?

Answer 5

olfactory bulbs, tracts and forebrain

Question 6

What foramen does the CN 1 pass through?

Answer 6

cribiform plate

Question 7

What is the function of CN 1?

Answer 7

smell = olfaction

Question 8

What is the test for CN 1?

Answer 8

offer familiar smell - orange

Question 9

What is CN II?

Answer 9

Optic nerve

Question 10

What is the location for CN II?

Answer 10

Optic chiasma, optic tract and diencephalon

Question 11

What foramen does CN II pass through?

Answer 11

optic canal

Question 12

What is the function of CN II?

Answer 12

vision

Question 13

Where are the olfactory and the optic nerve derived from?

Answer 13

Forebrain

Question 14

What is CN III?

Answer 14

Occulomotor nerve

Question 15

What is the location of the CN III?

Answer 15

pontomesencephalic junction

Question 16

What is the foramen for CN III?

Answer 16

Superior orbital fissure

Question 17

What is the function of CN III?

Answer 17

4/6 Extraoccular muscles

Question 18

What is the test for CN III?

Answer 18

follow finger

Question 19

What is CN IV?

Answer 19

trochlear nerve

Question 20

What is location for CN IV?

Answer 20

dorsal midbrain

Question 21

What foramen does CN iV run through?

Answer 21

superior orbital fissure

Question 22

What is the function of CN IV?

Answer 22

superior oblique (SO4)

Question 23

What is the test for CN IV?

Answer 23

follow finger test

Question 24

What is CN VI?

Answer 24

Abducens

Question 25

What is location for CN VI?

Answer 25

pontomedullary junction

Question 26

What is the foramen for CN VI?

Answer 26

superior orbital fissure

Question 27

What is the function of CN VI?

Answer 27

Lateral rectus (LR6)

Question 28

What is the test for CN VI?

Answer 28

follow finger test

Question 29

What is CN V?

Answer 29

Trigeminal nerve

Question 30

What are the division for CN V?

Answer 30

V1 - opthalmic nerve V2 - Maxillary nerve V3 - mandibular nerve

Question 31

What is the location for CN V1?

Answer 31

Pons

Question 32

What foramen does CN V1 go through?

Answer 32

Superior orbital fissure

Question 33

What is the function of V1?

Answer 33

Sensation from upper face - eye

Question 34

What is the test for V1?

Answer 34

cotton wool test

Question 35

What is the location for V2?

Answer 35

Pons

Question 36

What foramen does V2 run through?

Answer 36

foramen rotundum

Question 37

What is the function of V2?

Answer 37

sensation for middle face

Question 38

What is the test for V2?

Answer 38

Cotton bud on cheek

Question 39

What is the location for V3?

Answer 39

pons

Question 40

What foramen does V3 go through?

Answer 40

foramen ovale

Question 41

What is the function of V3? (2)

Answer 41

1. sensation form lower face | 2. motor of muscles of mastication

Question 42

What are the tests for V3? (3)

Answer 42

1. clench teeth and feel muscle mass 2. cotton bud on jaw 3. jaw jerk reflex

Question 43

What are the 4 autonomic ganglia associated with the trigeminal nerve?

Answer 43

1. ciliary ganglion 2. pterygopalatine 3. submandibular 4. otic

Question 44

What is CN VII?

Answer 44

facial nerve

Question 45

What is the location of CN VII?

Answer 45

cerbellopontine angle

Question 46

What foramen does CN VII go through?

Answer 46

internal acoustic meatus

Question 47

What is the function of CN VII? (3)

Answer 47

1. muscles of facial expression 2. Taste to anterior 2/3rds of tongue 3. Parasympathetic to all gland except parotid

Question 48

What is CN VIII?

Answer 48

vestibulocochlear nerve

Question 49

What is the location for CN VIII?

Answer 49

cerbellopontine angle

Question 50

What foramen does CN VIII go through?

Answer 50

internal acoustic meatus

Question 51

What is the function of CN VIII?

Answer 51

hearing and balance

Question 52

What are the tests for CN VIII?

Answer 52

Rinnes and Webers

Question 53

What is CN IX?

Answer 53

Glossopharyngeal

Question 54

What is the location of CN IX?

Answer 54

1. posterolateral sulcus of the medulla | 2. lateral to the olives

Question 55

What foramen does CNIX run through?

Answer 55

jugular foramen

Question 56

What is the function of CN IX and what is the test? (5)

Answer 56

1. swallowing 2. parasympathetic to parotid 3. taste to posterior 1/3 of tongue 4. cutaneous sensation from ear 5. sensation from carotid body Gag reflex

Question 57

What is CN X?

Answer 57

Vagus nerve

Question 58

What is the location for CN X ?

Answer 58

1. posterolateral sulcus of medulla | 2. lateral to olives

Question 59

What is foramen does CN X run through?

Answer 59

jugular foramen

Question 60

What is the function of CN X? (3)

Answer 60

1. muscles from pharynx and larynx 2. parasympathetic to thoracic and GI 3. taste from epiglottis and palate

Question 61

What is CN XI?

Answer 61

Accessory

Question 62

What is the location for CN XI? (2)

Answer 62

1. caudal medulla | 2. rostral spinal cord

Question 63

What foramen does the CN XI run through?

Answer 63

jugular foramen

Question 64

What is the function of CN XI? (2)

Answer 64

1. motor to SCM | 2. motor to trapezius

Question 65

What is the test for CN XI?

Answer 65

shrug shoulders and rotate head

Question 66

What is CN XII?

Answer 66

hypoglossal nerve

Question 67

What foramen doe stye hypoglossal nerve run through?

Answer 67

hypoglossal canal

Question 68

What is the function of the hypoglossal nerve?

Answer 68

Motor to muscles of the tongue

Question 69

What is the location of CN XII go through?

Answer 69

anterolaterla sulcus between the olives and pyramids

Question 70

What is the text for CN XII?

Answer 70

protrude tongue