cranial nerve testing

Question 0

A person doesn’t
blink when an object is placed close to her eye. She feels pain upon the smallest movement in her face. What cranial nerve?

Answer 0

V. trigeminal neuralgia

Question 1

A person’s left side of the face can’t smile, close the eye, and has trouble with b and m sounds. What cranial nerve is affected

Answer 1

facial

Question 2

A person complains of difficulty swallowing and speaking loudly. What cranial nerves might be affected?

Answer 2

10-11

Question 3

A person’s uvula deviates to the right. What nerve and what side?

Answer 3

X-XI complex. Left vagus and accessory nerve problem

Question 4

What general disease type do you suspect in pupil-sparing cranial nerve palsy?

Answer 4

microvascular disease

Question 5

CN 1 test

Answer 5

10

cm alcohol pad

Question 6

CN 2

Answer 6

reading chart; visual field test with finger

Question 7

CN 2 and CN 3 light response

Answer 7

check direct and consensual response; in dark setting; for optic neuritis, light shown in the affected eye- pupil will not constrict but consensusl response will occur (opposite pupil will constrict)

Question 8

CN V

Answer 8

cutaneous sensation; clench teeth for temporalis, move jaw side to side for masseter; corneal reflex

Question 9

CN 9 and 10

Answer 9

gag reflex (palate should elevate); check for uvula deviation

Question 10

CN 11

Answer 10

shrug shoulders (trapezius) and turn head (SCM)

Question 11

CN 12

Answer 11

stick q tip inside cheek and ask patient to use tongue to pish q tip against cheek