Cranial Nerves

Question 1

Cranial nerve 1

Answer 1

olfactory

Question 2

Olfactory nerve

Answer 2

smell

Question 3

How to test olfactory nerve

Answer 3

identify scents

Question 4

Cranial nerve 2

Answer 4

optic

Question 5

Optic nerve

Answer 5

central and peripheral vision

Question 6

How to test optic nerve

Answer 6

follow object (infants), cover eye and count fingers

Question 7

Cranial nerve 3

Answer 7

oculomotor

Question 8

Oculomotor nerve

Answer 8

pupillary restriction, eyelid drooping

Question 9

How to test oculomotor nerve

Answer 9

PERRLA

Question 10

Cranial nerve 4

Answer 10

trochlear

Question 11

Trochlear nerve

Answer 11

downward eye motion

Question 12

Cranial nerve 5

Answer 12

trigeminal

Question 13

Trigeminal nerve

Answer 13

mastication muscles and facial sensation

Question 14

How to test trigeminal nerve

Answer 14

sucking (infants), bite strength/light facial touch

Question 15

Cranial nerve 6

Answer 15

Abducens

Question 16

Abducens nerve

Answer 16

eye muscle movement laterally

Question 17

How to test abducens nerve

Answer 17

follow object

Question 18

Cranial nerve 7

Answer 18

facial

Question 19

Facial nerve

Answer 19

muscles of face, symmetry, salivation, taste

Question 20

How to test facial nerve

Answer 20

smiles/cries (infants), discern tastes

Question 21

Cranial nerve 8

Answer 21

acoustic

Question 22

Acoustic nerve

Answer 22

hearing

Question 23

How to test acoustic nerve

Answer 23

respond to voice (infants), whisper/weber/Rinne test

Question 24

Cranial nerve 9

Answer 24

glossopharyngeal

Question 25

Glossopharyngeal nerve

Answer 25

motor impulses to heart, organs, gag reflex, swallowing

Question 26

How to test glossopharyngeal nerve

Answer 26

gag reflex, swallowing

Question 27

Cranial nerve 10

Answer 27

vagus

Question 28

Vagus nerve

Answer 28

motor impulses to heart, organs, gag reflex, swallowing

Question 29

How to test vagus nerve

Answer 29

gag reflex, swallowing

Question 30

Why is the vagus nerve important

Answer 30

close location to the brain stem

Question 31

Cranial nerve 11

Answer 31

Accessory

Question 32

Accessory nerve

Answer 32

impulses to muscles of shoulders, pharynx

Question 33

How to test accessory nerve

Answer 33

assess head symmetry while sitting (infants), shrug shoulders, turn L/R against resistance

Question 34

Cranial nerve 12

Answer 34

Hypoglossal

Question 35

Hypoglossal nerve

Answer 35

motor muscles to tongue/skeleton

Question 36

How to test hypoglossal nerve

Answer 36

monitor tongue movements (infant), stick out tongue