Cranial Nerves

Question 1

Mnemonic for nerves:

Answer 1

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Question 2

Mnemonic for remembering which are sensory, motor, or both:

Answer 2

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Question 3

OLFACTORY NERVE (CN I):

Answer 3

SENSORY NERVE; SENDS SENSATION FROM THE NOSE TO THE BRAIN

Question 4

OPTIC NERVE (CN II):

Answer 4

SENSORY; SENDS VISUAL INFO TO BRAIN

Question 5

OCULOMOTOR NERVE (CN III):

Answer 5

MOTOR NERVE; MOVING THE EYELIDS AND CONSTRICTING PUPILS

Question 6

TROCHLEAR NERVE (CN IV):

Answer 6

MOTOR NERVE; MOVES EYES INFERIORLY OR LATERALLY (downward & inward)

Question 7

TRIGEMINAL NERVE (CN V):

Answer 7

BOTH. SENSORY FUNCTION—RECEIVE INFO FROM SCALP, NASAL CAVITY, & MOST OF ORAL CAVITY; MOTOR FUNCTION— HELPS YOU CHEW

Question 8

ABDUCENS NERVE (CN VI):

Answer 8

MOTOR; CONTROLS LATERAL RECTUS MUSCLE OF EYE; HELPS YOU LOOK LATERALLY

Question 9

FACIAL NERVE (CN VII):

Answer 9

BOTH; MOTOR: FACIAL EXPRESSIONS; SECRETIONS OF THE LACRIMAL GLAND OF THE EYE AND SALIVARY GLANDS. SENSORY: TASTE SENSATIONS FOR THE ANTERIOR TWO-THIRDS OF TONGUE

Question 10

VESTIBULOCOCHLEAR NERVE (CN VIII):

Answer 10

SENSORY; HELPS WITH EQUILIBRIUM AND HEARING

Question 11

GLOSSOPHARYNGEAL NERVE (CN IX):

Answer 11

BOTH; MOTOR: CONTRACTS PHARYNX MUSCLE FOR SWALLOWING; SALIVARY GLAND. SENSORY: GENERAL AND TASTE SENSATION FROM THE POSTERIOR ONE-THIRD OF TONGUE

Question 12

VAGUS NERVE (CN X):

Answer 12

BOTH; SENSORTY: HEART, LUNGS, AND ABDOMINAL ORGANS

Question 13

ACCESSORY NERVE (CN XI):

Answer 13

MOTOR; INNERVATE THE TRAPEZIUS AND STERNOCLEIDOMASTOID MUSCLES

Question 14

HYPOGLOSSAL NERVE (CN XII):

Answer 14

MOTOR; MOVE TONGUE