Cranial Nerve Examinations

Question 1

CN I

Answer 1

Observation of external nose, internal nasal passage, sense of smell

Question 2

CN II

Answer 2

eyes (limbus-lid-canthus), visual acuity (near/far), gross visual field (Confrontation), Pupillary light reflex (cn II and III), opthalmoscope exam

Question 3

CN III, IV, VI

Answer 3

eyes (limbus-lid-canthi), corneal light reflex, pupillary light reflex, 6 cardinal fields of gaze (nystagmus)

Question 4

CN V

Answer 4

conreal blink reflex, light touch on face, sharp sensation on face, muscle of mastication for tone and strength, jaw jerk reflex, general sensation anterior 2/3 of the tongue

Question 5

CN VII

Answer 5

check musculature of face (smile, look up), taste (anterior 2/3 tongue)

Question 6

CN VIII

Answer 6

external ears, internal ears, Rinne test, Weber test, finger rustle test, schwabach test, watch tick test

Question 7

CN IX and X

Answer 7

AHHHH- soft palate elevation, gag relfex (posterior 1/3 of tongue), phonation (KLM test, kuh, la, mi)

Question 8

CN XI

Answer 8

shoulder elevation, muscle strength (SCM and trap)

Question 9

CN XII

Answer 9

stick tongue out (fasciculation, atrophy, deviation) tongue in cheek test,