Cranial Nerves Flashcards
1
Q
CN1
A
Olfactory
-Smell
2
Q
CN2
A
Optic
- vision (eye chart, peripheral vision)
- detection of light
3
Q
CN 3
A
Oculomotor
- Eye movements: up, down, in
- pupils’ response to light
- raise eyelids (drooping = ptosis)
4
Q
CN 4
A
Trochlear
- Eye movement. Down and inward
5
Q
CN 5
A
Trigeminal
- facial sensation (as well as blink reflex when touching cornea)
- chewing (open and clench jaw against resistance)
6
Q
CN6
A
Abducens
-Eye movement. Outward
7
Q
CN7
A
Facial
-facial expression, taste in anterior 2/3 of tongue, and production of saliva and tears
Test: smile, open mouth, show teeth, close eye tightly. taste stuff.
8
Q
CN 8
A
Auditory (vestibulocochlear)
- Hearing (use tuning fork)
- Balance (walk in straight line)
9
Q
CN 9
A
Glossopharyngeal
-swallowing, gag reflex, and speech
tested with CN10
10
Q
CN10
A
Vagus
- swallowing, gag reflex, and speech
- control of internal organs
(tested with CN9)
11
Q
CN11
A
Accessory
- turning neck and shoulder shrugging
12
Q
CN12
A
Hypoglossal
-Tongue movement (asked to stick out tongue)
