Cranial Nerves

Question 1

CN III

Answer 1

Oculomotor eye movement, pupil constriction, accommodation, eyelid opening (motor)

Question 1

Mnemonic for Sensory/Motor/Both

Answer 1

Some - CN I, Olfactory

Say - CN II, Optic

Marry - CN III, Oculomotor

Money - CN IV, Trochlear

But - CN V, Trigeminal

My - CN VI, Abducens

Brother - CN VII, Facial

Says - CN VIII, Vestibulocochlear

Big - CN IX, Glossopharyngeal

Brains - CN X, Vagus

Matter - CN XI, Spinal Accessory

Most - CN XII, Hypoglossal

Question 2

CN VI

Answer 2

Abducens eye movement via lateral rectus, GAZE LATERAL (movement)

Question 2

CN XII

Answer 2

Hypoglossal tongue movement (motor)

Question 4

CN X

Answer 4

Vagus taste at epiglottis, swallowing, palate elevation, talking, thoracoabdominal viscera, monitoring aortic arch chemo- and baro-receptors (both)

Question 5

CN VIII

Answer 5

Vestibulocochlear hearing, balance (sensory)

Question 6

CN IV

Answer 6

Trochlear eye movement via superior oblique, GAZE DOWN (motor)

Question 7

CN II

Answer 7

Optic sight (sensory)

Question 8

CN V

Answer 8

Trigeminal mastication, facial sensation (motor & sensory)

Question 9

Mnemonic for CN I-XII

Answer 9

Oh Oh Oh! To taste and finish very good vino! Such heaven!

O - olfactory

O - optic

O - oculomotor

T - trochlear

T - trigeminal

A - abducens

F - facial

V - vestibulocochlear

G - glossopharyngeal

V - vagus

S - spinal accessory

H - hypoglossal

Question 10

CN XI

Answer 10

Spinal Accessory head turning, shoulder shrugging (motor)

Question 11

CN VII

Answer 11

Facial facial movement/expression, taste ant 2/3, lacrimation, salivation, eyelid closing (both)

Question 13

CN I

Answer 13

Olfactory smell (sensory)

Question 14

CN IX

Answer 14

Glossopharyngeal taste post 1/3, swallowing, salivation, monitoring carotid and sinus chemo- and baro-receptors (both)