FC Neurosurg(SA) Part I Practice Questions - CMSA FC Neurosurg(SA) Part I - College Of Neurosurgeons Of South Africa Exam

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A neurosurgical resident is performing a pterional craniotomy to clip an unruptured posterior communicating artery (PCoA) aneurysm. During dissecting, parasympathetic preganglionic fibers running within the oculomotor nerve (CN III) are identified. In which functional sub-nucleus of CN III do these parasympathetic fibers originate?

Edinger-Westphal nucleus Central caudal nucleus Main motor nucleus of CN III Superior salivatory nucleus

Correct Answer:

Edinger-Westphal nucleus

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