Exam 1: Trochlear Nerve Flashcards
1
Q
CN 4 supplies
A
Superior Oblique
2
Q
Trochlear nerve located
A
Periaqueductal gray
3
Q
Unique things about CN4
A
- Fewest number fibers
- Axons travel posterior
- Fibers cross
4
Q
Trochear neurons cross and exit midbrain just inferior to
A
Inferior colliculi
5
Q
3 things that sends axons to trochlear nucleus
A
BM 8
Superior colliculus
MLF
6
Q
After exiting CNS, CN4 curves around ___ and continues in lateral wall of ___
A
Brainstem
Cavernous sinus
7
Q
Trochlear nerve in communication with
A
Cavernous plexus
8
Q
Cavernous plexus supplies
A
Smooth muscle of blood vessels (sympathetic fibers)
9
Q
Trochlea located where
A
Superomedial aspect of orbit
10
Q
___ passes through trochlea
A
Superior oblique (NOT nerve)
