Cranial Nerve and Motor Examination Flashcards Preview

Clinical Skills > Cranial Nerve and Motor Examination > Flashcards

Flashcards in Cranial Nerve and Motor Examination Deck (28):
1

What is CN 1? and what does it control?

Olfactory
Smell

2

What is CN 2? and what does it control?

Optic
Sight, pupils

3

What is CN 3? and what does it control?

Oculomotor
Eye Movements

4

What is CN 4? and what does it control?

Trochlear
Eye Movements
Superior Oblique

5

What is CN 6? and what does it control?

Abducens
Eye Movements
Lateral Rectus

6

What is CN 5? and what does it control?

Trigeminal
Facial sensation
Jaw muscles

7

What is CN7? and what does it control?

Facial
Facial expressions

8

What is CN8? and what does it control?

Vestibulocochlear
Hearing and balance

9

What is CN 9? and what does it control?

Glossopharyngeal
Taste, Pharynx
(Carotid body and sinus, middle ear cavity and Eustachian tube. Plus parotid gland)

10

What is CN 10? and what does it control?

Vagus
Larynx and epiglottis

11

What is CN 12? and what does it control?

Hypoglossal
Muscles of the tongue

12

What is CN 11? and what does it control?

Accessory
Trapezius and sternocleidomastoid

13

How do you test CN1?

Any changes in smell?

14

How do you test CN2?

Any changes in vision?
Visual field
Insect pupils
Pupillary reflexes x2
Accommodation
Blind spot
(acuity, colour blind, ophthalmoscopy)

15

How do you test CN3,4,6?

Eye movement (-H-)
Cover test

16

How do you test CN5?

Sensation - cotton wool and neurotip
Motor - Jaw clench (x2 muscles) and open mouth against resistance
Reflex - Jaw jerk
(corneal reflex)

17

How do you test CN7?

Inspect face
Show teeth
Purse lips, add resistance
Blow out cheeks, add resistance
Raise eyebrows, add resistance
Close eyes tightly, add resistance

18

How do you test CN8?

Any changes in hearing?
Gross hearing test
Rinne's test
Weber's test
(halpike's)
(plus gait and turning test, but will do that later)

19

How do you test CN9,10,12?

Open mouth, say ahh
Look with pen torch for wasting/asymmetry
Stick out tongue
Push tongue into cheek, add resistance

20

How do you test CN11?

Shrug shoulders, add resistance
Turn head, against resistance

21

How do you assess gait and balance?

Walk to the other end of the room and back
Heel-to-toe walk
Walk on heels
Walk on toes
Turning test
Romberg's sign

22

How do you inspect limbs? What are you looking for?

SWIFT
scars
wasting
involuntary movements
fasciculations
tremor

Upper Limb - pronator drift

23

How do you investigate tone in the lower limb?

Leg roll
Leg lift
Ankle clonus

24

How do you investigate power in the lower limb?

Against resistance, supporting the joint:
Hip - flexion, extension, abduction, adduction
Knee - flexion, extension
Ankle - plantarflexion, dorsiflexion, inversion, eversion

25

How do you investigate reflexes in the lower limb?

Knee jerk
Ankle jerk
Plantar reflex

26

How do you investigate tone in the upper limb?

Full range of movement, support joint:
Wrist - flexion, extension, pronation, supination
Elbow - flexion, extension
Shoulder - flexion, extension, abduction, adduction

27

How do you investigate power in the upper limb?

Against resistance, support joint:
Shoulders - abduction, adduction
Elbow - flexion, extension
Wrist - flexion, extension
Fingers - abduction, extension
Thumb - abduction

28

How do you investigate reflexes in the upper limb?

Bicep
Tricep
Supinator