Cranial Nerves

Question 1

Olfactory

Answer 1

1, smell

Question 2

Optic

Answer 2

2, vision
Snellen chart
Peripheral vision (confrontation test - number of fingers with one eye covered)

Question 3

Oculomotor

Answer 3

3, eye motor
EOMs (move finger and eyes follow)
PERRLA
Corneal light reflex (light reflected in both pupils - shows alignment)

Question 4

Trochlear

Answer 4

4, eye motor

same process as nerves 3 and 6

Question 5

Trigeminal (motor)

Answer 5

5, sensorimotor

patient clenches jaw - palpate - look for disperities or invountary movements/tremors

Question 6

Trigeminal (sensory)

Answer 6

5, sensorimotor
touch face with cotton wisp and pin
test corneal reflex - cotton wisp to outer eye

Question 7

Abducens

Answer 7

6, motor

same as nerves 3 and 4

Question 8

Facial (motor)

Answer 8

7, sensorimotor

smile, raise eyebrows, puff cheeks

Question 9

Facial (sensory)

Answer 9

7, sensorimotor

taste

Question 10

Acoustic

Answer 10

8, hearing
whisper test
tuning fork - Rhine and weber

Question 11

Glossopharayngeal

Answer 11

9

test with nerve 10

Question 12

Vagus

Answer 12

10
say ah and observe uvula
test gag reflex - touch back of throat with tongue depressor

Question 13

Accessory Spinal

Answer 13

11

raise shoulders against hands

Question 14

Hypoglossal

Answer 14

12

Stick out tongue, look for tremors