Cranial Nerves

Question 1

C I

Answer 1

Olfactory NerveSense of smellSensory cranial nerve only

Question 2

C II

Answer 2

Optic Nerve Sense of visionSensory cranial nerve only

Question 3

C III

Answer 3

Occulomotor NerveControl movement of eyeball and upper eyelidMotor cranial nerve only

Question 4

C IV

Answer 4

Trochlear Nerve (trochle- = a pulley)Controls movement of the eyball Innervates superior oblique muscle of eyeballMotor cranial nerve

Question 5

C V

Answer 5

Trigeminal Nerve (triple)Opthalmic (eye), Maxillary (upper jaw), & Mandibular (lower jaw)Mixed cranial nerve (snesory and motor)

Question 6

C VI

Answer 6

Abducens Nerve (ab = away, ducens = to lead)Causes abduction of the eye ball (lateral rotation)Motor cranial nerve

Question 7

C VII

Answer 7

Facial NerveFacial expressions Mixed cranial nerve

Question 8

CVIII

Answer 8

Vestibulocochlear nerve (vestibulo = small cavity, cochlear = a spiral, smail-like) 2 branchesVestibular = impulses for euquilibriumCochlear = carries impulses for hearingSensory cranial nerve

Question 9

C IX

Answer 9

Glosopharyngeal (glosso = tongue, pharyngeal = throat)Motor = raise pharynx and larynx (swallow?) & secrete salivaMixed cranial nerve

Question 10

C X

Answer 10

Vagus Nerve (Vagus = vagrant or wandering)Named due to its wide distribution Somatic Motor Incl. swallowing and vocalisationMixed cranial nerve

Question 11

C XI

Answer 11

Accessory Nerve (Assisting)Innervate sternocleidomastoid and trapezius musclesMotor cranial nerve

Question 12

C XII

Answer 12

Hypoglossal Nerve (Hypo = below, glossal = tongue)Innervates tongue - seech and swallowingMotor cranial nerve