CN III (Oculomotor) (para) Flashcards

1
Q

Preganglionic cell bodies are located in what nucleus?

A

accessory oculomotor nucleus

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2
Q

where is the oculomotor nucleus found

A

found in the midbrain (peri-aqueductal gray)

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3
Q

the oculomotor follows the path of what?

A

of oculomotor into the orbit

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4
Q

after following its path into the orbit where does it synapse

A

in the ciliary ganglion

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5
Q

postganglionic axons carried in what nerves enter the eyeball and supply two muscles

A

short ciliary nerves

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6
Q

upon entering the eyeball what two muscles does the oculomotor nerve innervate?

A

ciliary muscle and the sphincter pupillae

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7
Q

The ciliary muscle will constrict causing the crystalline lens to become more convex focusing on objects where?

A

focus on closer objects

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8
Q

when the Sphincter pupillae muscle constricts what happens to the pupil?

A

pupil will decreases in size

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9
Q

sphincter pupillae will constrict to what stimulation

A

to light entering the pupil

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