CRANIAL NERVES

Question 1

sensors in the nasal cavity?

Answer 1

olfactory

Question 2

carries visual info from ganglion cells of retina to the optic chiasm, then to lateral geniculate nucleus via optic tract, then to visual cortex via optic radiations

Answer 2

optic

Question 3

controls medial, superior, inferior recti

Answer 3

oculomotor system

Question 4

controls superior oblique, moves eye down and in

Answer 4

trochlear

Question 5

sensation to face and control of muscles of mastication

Answer 5

trigeminal

Question 6

facial muscles and taste to anterior third of tongue

Answer 6

facial

Question 7

controls lateral rectus

tests: smooth pursuit, saccades, vergence

Answer 7

abducens

Question 8

assesses hearing loss with 256 Hz tuning fork; rinnes test; webers test

Answer 8

acoustic

Question 9

swallowing, test by watching uvula rise vertically rather than obliquely, or by gag

Answer 9

glossopharyngeal/vagus

Question 10

motor to SCM and trapezius muscles. tests by turning head onto examiners hand, and by shrugging shoulder against examiners resistance

Answer 10

XI, accessory

Question 11

test by showing deviation of tongue

Answer 11

XII, hypoglossal