Cranial Nerves - What test?

Question 1

CN I

Answer 1

Ask about problems with sense of smell

Question 2

CN II

Answer 2

1. Visual Acuity on a snellen chart aat 6 metres
2. Visual Fields and blind spot
3. Pupil reactivity to light
4. Funduscopy

Question 3

CN III, IV, IV

Answer 3

1. Horizontal and Vertical eye movements (H fashion)
2. Ask about double vision
3. Examine convergence
   Look for ptosis

Question 4

CN V

Answer 4

1. Light and pain sensation on the face neck and scalp
2. Corneal reflex (afferent Vth, efferents VIIth)
3. Jaw Jerk (Afferents Vth, Efferents Vth)

Question 5

CN VII

Answer 5

1. Brow Wrinkling, Eye closure, smiling, mouth closure

Question 6

CN VIII

Answer 6

1. Rinne’s Test

2. Weber’s test

Question 7

CN IX, X

Answer 7

Gag reflex

Question 8

CN XI

Answer 8

1. Ask the patient to shrug shoulders against resistance

Question 9

CN XII

Answer 9

1. Assess the tongue for wasting and fasiculation

2. Tongue movements