W20/L4 Flashcards
What’s the name of CN 1?
Olfactory
What’s the name of CN 2?
Optic
What’s the name of CN 3?
Oculomotor
What’s the name of CN 4?
Trochlear
What’s the name of CN 5?
Trigeminal
What’s the name of CN 6?
Abducent
What’s the name of CN 7?
Facial
What’s the name of CN 8?
Vestibulocochlear
What’s the name of CN 9?
Glossopharyngeal
What’s the name of CN 10?
Vagus
What’s the name of CN 11?
Accessory
What’s the name of CN 12?
Hypoglossal
Which nerves are purely sensory?
1: Olfactory
2: Optic
8: Vestibulocochlear
Which nerves are purely motor?
3: Oculomotor
4: Trochlear
6: Abducent
11: Accessory
12: Hypoglossal
Which nerves are mixed function?
5: Trigeminal
7: Facial
9: Glossopharyngeal
10: Vagus
How many columns of cranial nerve nuclei are there?
6 on each side of the midline
Which columns are the motor nerve nuclei?
The 3 medial ones
medial - motor
What are the names of the motor nerve columns?
Somatic
Branchial
Visceral
(from medial to lateral)
What are the somatic nerve nuclei?
3: Oculomotor
4: Trochlear
6: Abducent
12: Hypoglossal
Which nuclei are in the branchial arch/column?
5: Mandibular division of trigeminal for muscles of mastication
7: Facial for muscles of facial expression
Nucleus ambiguus: for muscles of pharynx and larynx
11 (which is actually in the spinal cord)
Which CNs have roots in the nucleus ambiguus?
9 (glosso.) and 10 (vagus)
Where is the nucleus ambiguus?
Behind the inferior olive
