Which of the following is a WRONG pair regarding features of cranial nerves:
Correct Answer: Most commonly involved in intracranial aneurysm: Optic Nerve
Description: Most common nerve involved in basal skull fracture is Facial nerve. Most common nerve involved in raised intracranial tension is Abducent nerve . Most common nerve affected during spinal anesthesia is also Abducent nerve. Most commonly involved in intracranial aneurysm is Oculomotor nerve ansd not optic nerve. An aneurysm at the junction of the posterior communicating and posterior cerebral aeries compresses parasympathetic nerve fibers of the Oculomotor nerve, causing a dilated pupil.
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