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OT 716 - Unit III > CN IV: Trochlear Nerve > Flashcards

CN IV: Trochlear Nerve Flashcards

1
Q

Unique features

A
  • smallest cranial nerve
  • ONLY nerve that emerges dorsally
  • fibers cross in superior medullary velum
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2
Q

Motor innervations/functions

A

superior oblique (rotates eye down and diagonally out)

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3
Q

How to test?

A

cardinal eye movements

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4
Q

Foramen?

A

Superior orbital foramen/fissure

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5
Q

Pathology/disorders?

A

affected eye higher and deviated medially

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OT 716 - Unit III (26 decks)

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