Cranial Nerves

Question 1

Name and action of cranial nerve I

Answer 1

Olfactory: S-smell

Question 2

Name and action of cranial nerve II

Answer 2

Optic: S-vision

Question 3

Name and action of cranial nerve III

Answer 3

Oculomotor: M-superior, inferior, medial rectus

Question 4

Name and action of cranial nerve IV

Answer 4

Trochlear: M-superior oblique

Question 5

Name and action of cranial nerve V

Answer 5

Trigeminal: S-face; M-masticatory muscles

Question 6

Name and action of cranial nerve VI

Answer 6

Abducens: M-lateral rectus

Question 7

Name and action of cranial nerve VII

Answer 7

Facial: S-taste anterior 2/3 tongue; M-facial expression, salivary gland

Question 8

Name and action of cranial nerve VIII

Answer 8

Vestibulocochlear: S-hearing

Question 9

Name and action of cranial nerve IX

Answer 9

Glossopharyngeal: S-taste posterior 1/3 tongue; M-pharynx

Question 10

Name and action of cranial nerve X

Answer 10

Vagus: S&M-pharynx, larynx, also taste

Question 11

Name and action of cranial nerve XI

Answer 11

Accessory: M-pharynx, larynx; SCM, traps

Question 12

Name and action of cranial nerve XII

Answer 12

Hypoglossal: M-tongue