Cranial nerves

Question 1

I

Answer 1

Olfactory - sense of smell

alcohol wipe

Question 2

II

Answer 2

Optic - visual acuity; fixation on an object.

optic blink reflex

Question 3

III

Answer 3

Oculomotor - eye movements, pupil constriction

PERRL, doll’s eye

Question 4

IV

Answer 4

Trochlear - eye movements

PERRL, doll’s eye

Question 5

VI

Answer 5

Abducens - eye movements

PERRL, doll’s eye

Question 6

V

Answer 6

Trigeminal - sensory innervation of face, motor innervation

glabella tap, rooting, biting,

Question 7

VII

Answer 7

Facial - facial expression, symmetry, brow wrinkling, blinking, closing mouth around nipple

Question 8

VIII

Answer 8

Vestibulocochlear - auditory

startle blink with clapping, responds to voice and turns head

Question 9

IX

Answer 9

Glosspharyngeal - tongue movement, position of uvula

gag reflex

Question 10

X

Answer 10

Vagus - supplies palate, pharynx, larynx. swallowing

gag reflex, cry

Question 11

XI

Answer 11

Accessory - turns head side to side, shoulder height

Question 12

XII

Answer 12

Hypoglossal - Muscle of tongue, suck, swallow

gag reflex

Question 13

If infant eating well all of the following cranial nerves are intact

Answer 13

trigeminal V
facial VII
Glossopharyngeal IX
Vagus X
Hypoglossal XII