Cranial Nerve Examinations

Question 1

Sensory tests for Trigeminal (V) (3)

Answer 1

Face, Hard Palate, Anterior

Question 2

Motor tests for Trigeminal (V) (3)

Answer 2

Jaw opening on resistance, Jaw lateralisation, biting ability

Question 3

Sensory tests of Facial (VII) (3)

Answer 3

decreased taste on anterior 2/3 of tongue, soft palate, adjacent pharyngeal wall

Question 4

Motor test of Facial (VII) (8)

Answer 4

Close eyes, wrinkle brow, smile, kiss, whistle, flatten cheeks, puff-out cheeks, lateralise lips

Question 5

Sensory test of Glossopharyngeal (IX) (2)

Answer 5

Gag reflex, estimation of swallow onset

Question 6

Motor test of Glossopharyngeal (IX) (1)

Answer 6

Gag reflex

Question 7

Sensory test of Vagas (X) (2)

Answer 7

reflexive cough, inhalation cough challenge

Question 8

Sensory of Pharyngeal Plexus (IX + X) (4)

Answer 8

Gag reflex, estimation of swallow onset, reflexive cough, inhalation cough challenge

Question 9

Motor of Vagas (X) (2)

Answer 9

Voice quality (breathy, gurgly, wet), volitional cough (glottal coup)

Question 10

Motor of Pharyngeal Plexus (IX + X) (3)

Answer 10

Gag reflex, Voice quality (breathy, gurgly, wet), volitional cough (glottal coup)

Question 11

Accessory tests

Answer 11

no cranial nerve tests for accessory: too difficult to, instead gather from CASE HISTORY

Question 12

Motor tests of Hypoglossal (XII) (2)

Answer 12

Lingual movements (superior, inferior, lateral, protrusion, retraction, Lingual strength (pressure of tongue depressor)