Cranial Nerves Flashcards
CN I
Olfactory
CN II
Optic
CN III
Oculomotor
CN IV
Trochlear
CN V
Trigeminal
CN VI
Abducens
CN VII
Facial
CN VIII
Vestibulocochlear
CN IX
Glossopharyngeal
CN X
Vagus
CN XI
accessory
CN XII
Hypoglossal
Olfactory SMB?
sensory
Optic SMB?
sensory
Oculomotor SMB?
motor
Trochlear SMB?
motor
Trigeminal SMB?
both
Abducens SMB?
motor
Facial SMB?
both
Vestibulocochlear SMB?
sensory
Glossopharyngeal SMB?
both
Vagus SMB?
both
Accessory SMB?
motor
Hypoglossal SMB?
motor
Olfactory
smell
optic
vision
oculomotor
eye movement (up, medial, downward, up and in)
trochlear
eye movement (down and in)
trigeminal
Sensations of the head and face, chewing movements, and muscle sense
abducens
lateral (side to side) eye movement
facial
taste for anterior 2/3 of tongue
smile
Vestibulocochlear
hearing and balance
Glossopharyngeal
posterior 1/3 of tongue
speech
vagus
digestion, defecation, slowed HR
spinal accessory
Move neck and back muscles (shrug shoulders)
hypoglossal
tongue movement
spinal nerves: how many pairs?
Cervical: 8
Thoracic: 12
Lumbar: 5
Sacral: 5
Coccygeal: 1
cervical spinal nerves control
diaphragm, chest wall muscles, arms, shoulders
thoracic spinal nerves control
upper body, GI function
lumbar and sacral spinal nerves control
lower body, bowel and bladder