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CRANIAL NERVES STUDY CARDS > CN IV-Trochlear Nerve > Flashcards

CN IV-Trochlear Nerve Flashcards

1
Q

Characteristics of CN IV-Trochlear Nerve

A

Fibers emerge from the dorsal midbrain and enter the orbits via the superior orbital fissures; innervate the superior oblique muscle

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2
Q

CN IV Pathway

A
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3
Q

Muscle Innervation

A

Supplies superior oblique muscle
Turn eyes downward & laterally

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4
Q

Type of nerve

A

Motor

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5
Q

Clinical Application

A

Diplopia

Inability to rotate eye inferolaterally
Eye deviates; upwards & slightly inward
Difficulty in walking downstairs

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6
Q

2-minutes CN IV

A
2-Minute Neuroscience: Trochlear Nerve (Cranial Nerve IV)

Adapted from Neuroscientifically Challenged | YouTube Channel

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CRANIAL NERVES STUDY CARDS (11 decks)

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