Cranial Nerves

Question 1

Cranial Nerve 1

Answer 1

Olefactory

Question 2

Cranial Nerve 2

Answer 2

Optic

• Peripheral vision
• Use snellen chart for central vision

Question 3

Cranial Nerve 3

Answer 3

Ocularmotor
- follow finger and look for nystagmus

Question 4

Cranial Nerve 4

Answer 4

Trochlear
- down and inward eye movement

Question 5

Cranial Nerve 5

Answer 5

Trigeminal
- Muscles of mastication.
- Provides the sensory nerves to the face, scalp, cornea, mucous membranes, and nose. Test sensation by lightly touching the forehead area, cheek, and chin.

Question 6

Cranial Nerve 6

Answer 6

Abducens
- lateral eye movement

Question 7

Cranial Nerve 7

Answer 7

Facial
- controls facial expressions

Question 8

Cranial Nerve 8

Answer 8

Acoustic
- whisper numbers

Question 9

Cranial Nerve 9

Answer 9

Glossopharyngeal
- uvula, gag reflex

Question 10

Cranial Nerve 10

Answer 10

Vagus
- talking, swallowing, general sensation from the carotid body, carotid reflex

Question 11

Cranial Nerve 11

Answer 11

Spinal Accessory
- controls shoulder shrug and head rotation. Tell patient to shrug both shoulders; should be the same level.

Question 12

Cranial Nerve 12

Answer 12

Hypoglossal
- controls tongue movement. Tell patient to stick out their tongue and move it from side to side. Look for atrophy and asymmetry.