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NBME 16 Answers

nbme16/Block 4/Question#45 (5.1 difficulty score)
A 42-year-old woman is brought to the ...
Posterior communicating🔍
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submitted by aoa05(11),

here are partial clinical manifestations of the right oculomotor nerve palsy:  the right pupil is 6 mm and nonreactive to light, and adduction of the right eye is impaired. The oculomotor nerve exits midbrain through the interpeduncular fossa and goes between the beginning of the posterior cerebral and superior cerebellar arteries. Rapture of an aneurysm in the posterior communicating artery near the beginning of the posterior cerebral artery may compress the oculomotor nerve and affect its function

medstudent  FA 2020 P. 516 +  
baja_blast  FA 2019 p. 529. +