Cranial Nerves Flashcards
1
Q
I
A
Olfactory (sensory)
2
Q
II
A
Optic (sensory)
3
Q
III
A
Oculomotor (motor)
4
Q
IV
A
Trochlear (motor)
5
Q
V
A
Trigeminal (sensory & motor)
Anterior 2/3 tongue
6
Q
VI
A
Abducens (motor)
7
Q
VII
A
Facial (sensory & motor)
Taste to anterior 2/3 tongue
8
Q
VIII
A
Vestibulocochlear (sensory)
Acoustic/auditory
9
Q
IX
A
Glossopharyngeal (sensory & motor)
Posterior 1/3 tongue
10
Q
X
A
Vagus (sensory & motor)
SLN & RLN
11
Q
XI
A
Spinal accessory (motor)
12
Q
XII
A
Hypoglossal (motor)
Below/behind the tongue
Impaired nerve or injury → airway obstruction d/t tongue relaxation
13
Q
Superior laryngeal nerve
A
Innervates above the vocal cords
Internal branch SIS
External branch SEM
14
Q
SLN Internal Branch
A
Sensory above the vocal cords
15
Q
SLN External Branch
A
Motor
LARYNGOSPASM