CN III, IV, VI Flashcards Preview

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Flashcards in CN III, IV, VI Deck (14)
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1
Q

CN III runs between what arteries?

A

sup. cerebellar and post. cerebral

2
Q

CN III runs alongside what artery?

A

post communicating

3
Q

CNIII runs below what artery?

A

int carotid

4
Q

What nucleus controls the inf rectus muscle?

A

dorsal of III

5
Q

What nucleus controls the inf oblique muscle?

A

intermediate of III

6
Q

What nucleus controls the medial rectus muscle?

A

ventral of III

7
Q

What nucleus controls the levator palpebrae superioris muscle?

A

central caudal of III

*bilateral

8
Q

What nucleus controls the superior rectus muscle?

A

contralateral medial of III

9
Q

What nucleus controls the superior oblique muscle?

A

contralateral trochlear

10
Q

What nucleus controls the lateral rectus muscle?

A

abducens

11
Q

Only CN that exits dorsally?

A

IV

12
Q

Location of CNIII?

A

midbrain, ventral to superior colliculi

13
Q

Location of CNIV?

A

midbrain, ventral to inferior colliculi

14
Q

Location of CNVI?

A

immediately below facial colliculi