CN Exam

Question 1

Pneumonic for CN exam

Answer 1

on occasion our trusty truck acts funny, very good vehicle anyway

Question 2

Name all of the 12 CNS

Answer 2

1. Olfactory
2. Optic
3. Oculomotor
4. Trochlear
5. Trigeminal
6. Abducens
7. Facial
8. Vestibulocochlear
9. Glossopharyngeal
10. Vagus
11. Accessory
12. Hypoglossal

Question 3

Assessment of olfactory nerve

Answer 3

Any changes in smell

Question 4

Assessment of optic nerve

Answer 4

Any chances in sight
Assess pupil size, shape, symmetry
Shine light + observe for pupillary constriction in contralateral eye

Question 5

Assessment of oculomotor nerve

Answer 5

Finger tracking at 6 points

Question 6

Assessment of trochlear nerve

Answer 6

Finger tracking at 6 points

Question 7

Assessment of trigeminal nerve

Answer 7

Touch to forehead, maxilla + mandible
Assess MoM for wasting
Resist hand under jaw

Question 8

Assessment of facial nerve

Answer 8

Changes in taste
Raise eyebrows
Close eyes
Puff cheeks
Smile
Pursed lips

Question 9

Assessment of vestibulocochlear nerve

Answer 9

Changes in hearing/balance
Cover ear + whisper in other

Question 10

Assessment of glossopharyngeal nerve

Answer 10

Say ‘aaaa’ + look for deviation
gag reflex

Question 11

Assessment of vagus nerve

Answer 11

Assess voice/cough
gag reflex

Question 12

Assessment of accessory nerve

Answer 12

Trapezius
- shrug shoulders + resist

Sternocleidomastoid
- Turn head + resist force

Question 13

Assessment of hypoglossal nerve

Answer 13

Tongue wasting/deviation