Cranial Nerves

Question 1

Cranial Nerve 1 (I)

Answer 1

Olfactory (s), test smell

Question 2

Cranial Nerve 2 (II)

Answer 2

Optic (s), test peripherals and near/ far sight

Question 3

Cranial Nerve 3 (III)

Answer 3

Oculomotor (m), up and down eye movements and pupils

Question 4

Cranial Nerve 4 (IV)

Answer 4

Trochlear (m), eye movement down and away (X)

Question 5

Cranial Nerve 5 (V)

Answer 5

Trigeminal (b), Branches: Ophthalmic, Maxillary and Mandibular. Test sensory for branches and clench jaw for motor.

Question 6

Cranial Nerve 6 (VI)

Answer 6

Abducens (m), side to side eye movement

Question 7

Cranial Nerve 7 (VII)

Answer 7

Facial (b), test facial expressions (smile, frown, puff cheeks, raise eyebrows) and test sensory posterior cheek

Question 8

Cranial Nerve 8 (VIIII)

Answer 8

Vestibulocochlear (s), test balance and hearing (rub fingers together and move away from ears)

Question 9

Cranial Nerve 9 (IX)

Answer 9

Glossopharyngeal (b), quality of voice and ask patient to swallow

Question 10

Cranial Nerve 10 (X)

Answer 10

Vagus (b), ask patient to swallow.

Question 11

Cranial Nerve 11 (XI)

Answer 11

Accessory (m), trapezius and sternocleidomastoid (ask patient to shrug shoulders)

Question 12

Cranial Nerve 12 (XII)

Answer 12

Hypoglossal (m), ask patient to stick out tongue (looking for any deviations)