Cranial Nerves

Question 1

Cranial Nerve I

Answer 1

Olfactory
Smell test with familiar odor

Question 2

Cranial Nerve II

Answer 2

Optic
Vision. Test visual fields, acuity, with chart/diagram

Question 3

Cranial Nerve III

Answer 3

Oculomotor
Does eye movement Up, down, and medially. Eye tracking with object
head movement compensation

Question 4

Cranial Nerve IV

Answer 4

Trochlear
Does inward and downward gaze
Test with eye tracking of object and look out for head movement compensation

Question 5

Cranial Nerve V

Answer 5

Trigeminal
Sensory to all of the face + Jaw clenching (muscles of mastication)
Corneal reflex test
Sensation (sharp or dull)
Jaw clench

Question 6

CN VI

Answer 6

Abducens
Lateral gaze. Look for tracking and watch out for head rotation compensation

Consider Strabismus, esotropia

Question 7

CN VII

Answer 7

Facial
Motor for most of face. Other part of corneal reflex b/c closes eyes
Mimic smile test, facial expression .
Also sensation to anterior tongue

Question 8

CN VIII

Answer 8

Vestibulocochlear
Vestibular and hearing
Hearing test, or balance test

Question 9

CN IX

Answer 9

Glossopharyngeal
Motor to throat muscles (pharnyx), autonomic to Parotid Gland (saliva)
Test w/ Gag Reflex, ability to swallow
Sensory to posterior tongue, pharnyx

Question 10

CN X

Answer 10

Vagus Nerve
Autonomic: Thoracic and abdominal viscera Nervous system
Motor to throat muscles
General sensation in throat, taste in tongue,
Say Ahhh and Gag Reflex (important nerve that’s why doc checks it)

Question 11

CN XI

Answer 11

Accessory Nerve
Motor to SCM, and trapezius
Resisted shoulder shrug

Question 12

CN XII

Answer 12

Hypoglossal
Protrusion of tongue b/c does motor to tongue