Cranial Nerves

Question 1

CN 1

Answer 1

Nerve: Olfactory

How to Test: identify familiar odors (coffee, lemon, chocolate, etc)

Question 2

CN 2

Answer 2

Nerve:Optic

How to Test: test visual fields

Question 3

CN 3

Answer 3

Nerve: Oculomotor

How to Test: upward, downward, medial gaze. reaction to light

Question 4

CN 4

Answer 4

Nerve:Trochlear

How to Test: downward and lateral gaze

Question 5

CN 5

Answer 5

Nerve: Trigeminal

How to Test: corneal reflex, face sensation, clentch teeth; push down on jar to open mouth

Question 6

CN 6

Answer 6

Nerve: Abducens

How to Test: lateral gaze

Question 7

CN 7

Answer 7

Nerve: Facial

How to Test: close eyes tight, smile, whistle, puff cheeks, identify familiar tastes

Question 8

CN 8

Answer 8

Nerve: Vestibulcochlear

How to Test: hearing tests, balance and coordination tests

Question 9

CN 9

Answer 9

Nerve:glossopharyngeal

How to Test: gag reflex, ability to swallow

Question 10

CN 10

Answer 10

Nerve:Vagus

How to Test: gag reflex, say “ahhhh”

Question 11

CN 11

Answer 11

Nerve: Accessory

How to Test: resisted shoulder shrug

Question 12

CN 12

Answer 12

Nerve: hypoglossal

How to Test: tongue protrusion (if injured: tongue deviates toward injury side)