Chapter 2 (Cranial Nerves)

Question 1

Smell, sign of anosmia

Answer 1

CN I: olfactory

Question 2

Vision; sign of decreased vision/blindness, field loss somewhere

Answer 2

CN II: optic

Question 3

Pupil constriction and eyelid opening; sign of ptosis and light reflex

Answer 3

CN III: oculomotor

Question 4

Eye movement; sign of diplopia and nystagmus

Answer 4

CN IV: trochlear

Question 5

Facial sensation and opening/closing jaw; sign of loss of face sensation, chewing issues, abnormal corneal and jaw-jerk reflex

Answer 5

CN V: trigeminal

Question 6

Eye movement; sign of diplopia and nystagmus

Answer 6

CN VI: abducens

Question 7

Facial expression, sense of taste to ANTERIOR 2/3 of tongue, salivary glands; sign of facial paresis/plegia, taste loss

Answer 7

CN VII: facial

Question 8

Hearing and balance; sign of hearing acuity or balance

Answer 8

CN VIII: vestibulocochlear

Question 9

Taste to POSTERIOR 1/3 of tongue and swallowing, salivation; sign of absent gag and swallow reflex, loss of taste, loss of velar movement

Answer 9

CN IX: glossopharyngeal

Question 10

Taste to epiglottis, swallowing, talking, and coughing, digestive tract; sign of absent gag and swallow reflex, loss of velar movement, loss of voice

Answer 10

CN X: vagus

Question 11

Shoulder shrugging and head turning; sign of droopy shoulder

Answer 11

CN XI: spinal accessory

Question 12

Tongue movement; sign of loss of tongue movement, tongue fasciculations, tongue atrophy

Answer 12

CN XII: hypoglossal

Question 13

Mnemonic for sensory, motor, or both for cranial nerves

Answer 13

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Question 14

Mnemonic for cranial nerves in order

Answer 14

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