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NBME 20 Answers

nbme20/Block 1/Question#22

A 38-year-old woman comes to the physician because ...


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CN X carries efferent to palate. CN IX carries afferent from palate.

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submitted by hmorela(6),

Why is it that the answer isn't also glossopharyngeal since you test CN IX by saying "Ah" also? Please help! Thanks!!

sinforslide  I believe that the arrow pointed to the uvula; uvular deviation would be testing for CN X palsy. CN IX's only motor innervation is the stylopharyngeus. (Not testing for gag reflex!) +2