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Ophthalmology Neuro Ophthalmology 5f5bfeeb

Not a true statement regarding 3rd cranial nerve:

A
Palsy may lead to ptosis
B
Nucleus in lower mid brain
C
Uncontrolled BP is a common cause
D
Supplies medial rectus
High-Yield Explanation
Nucleus of 3rd cranial nerve at the level of superior colliculus in the mid-brain. 3rd nerve supplies all the muscles of eye except lateral rectus( LR6) & superior oblique(SO4) 3rd CN palsy: -Pupil is down & out -Ptosis (as LPS also paralysed) -Common causes- uncontrolled BP/HTN

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