head and neck anatomy (cranial nerves)

Question 1

CN I

Answer 1

name: olfactory

type: sensory

function: smell

Question 2

CN II

Answer 2

name: optic

type: sensory

function: vision

Question 3

CN III

Answer 3

name: oculomotor

type: motor

function:
-regulates pupillary, reaction and size
-elevation of upper eyelid
-eye adduction and downward rolling

Question 4

CN IV

Answer 4

name: trochlear

type: motor

function: upward eye rolling

Question 5

CN V

Answer 5

name: trigeminal

type: both

function:
- motor: muscles of mastication (biting)
- sensory: nose, forehead, temple, scalp, lips, tongue, lower jaw

Question 6

CN VI

Answer 6

name: abducens

type: motor

function: lateral eye movement

Question 7

CN VII

Answer 7

name: Facial

type: both

function:
- motor: muscles of expression
- sensory: taste

Question 8

CN VIII

Answer 8

name: vestibulocochlear (acoustic)

type: sensory

function: equilibrium, hearing

Question 9

CN VIIII

Answer 9

name: glossopharyngeal

type: both

function:
-motor: pharyngeal muscles
-sensory: taste

Question 10

CN X

Answer 10

name: vagus

type: both

function:
-motor: muscles of the pharynx and larynx
-sensory: gag reflex

Question 11

CN XI

Answer 11

name: accessory

type: motor

function: trapezius and and sternocleidomastoid muscles

Question 12

CN XII

Answer 12

name: hypoglossal

type: motor

function: tongue movement