Cranial Nerves Flashcards
1
Q
Olfactory (sensory)
A
CN I
2
Q
Optic (sensory)
A
CN II
3
Q
Oculomotor (motor)
A
CN III
4
Q
Trochlear (motor)
A
CN IV
5
Q
Trigeminal (sensory & motor)
A
CN V
6
Q
Abducens (motor)
A
CN VI
7
Q
Facial (sensory & motor)
A
CN VII
8
Q
Acoustic (sensory)
A
CN VIII
9
Q
Glossopharyngeal (sensory & motor)
A
CN IX
10
Q
Vagus (sensory & motor)
A
CN X
11
Q
Spinal accessory (motor)
A
CN XI
12
Q
Hypoglossal (motor)
A
CN XII
13
Q
- assess patency by closing off one nostril & asking Pt to inhale
- perform on both sides
- test smell
A
CN I Olfactory (sensory)
14
Q
- visual test by asking Pt to identify how many fingers you are holding up
- Snellen chart for far & near vision
- test visual fields using confrontation
A
CN II Optic (sensory)
15
Q
- assess pupils for size, shape, and equality
- assess 6 cardinal positions of gaze
- observe for nystagmus in one or both eyes
A
CN III Oculomotor (motor), CN IV Trochlear (motor) & CN VI Abducens (motor)
16
Q
- evaluate sensory function by touch & *motor function by movement *
- ask Pt to identify sharp and dull sensations on the face by evaluating all 3 divisions of the nerve at the scalp (ophthalmic), cheek (maxillary), and chin (mandibular) areas on each side
- observe the face for atrophy, deviation, and fasciculations
A
CN V Trigeminal (both), includes corneal
17
Q
- assess by evaluating taste
- evaluate motor function by observing facial movements during conversation (i.e., raise eyebrows, squeeze eyes shut, smile)
A
CN VII Facial (both)
18
Q
- evaluate hearing during normal conversation using whisper test
A
CN VIII Acoustic (sensory)
19
Q
- evaluate sensory function with CN VII
- evaluate motor function with CN X upon swallowing
A
CN IX Glossopharyngeal
20
Q
- includes gag reflex
- evaluate motor component by asking the Pt to open the mouth & stick out the tongue (should be symmetrical)
- observe the uvula & soft palate for symmetry
- evaluate sensory component by stimulating the gag reflex
A
CN X Vagus (both)
21
Q
- evaluate the sternocleidomastoid & trapezius muscles for bulk, tone, strength, & symmetry
A
CN XI Spinal accessory (motor)
22
Q
- evaluate this function with CN X
- inspect tongue for symmetry
- ask Pt to say “light, tight, dynamite”
A
CN XII Hypoglossal (motor)
