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Retired NBME 20 Answers

nbme20/Block 3/Question#30 (reveal difficulty score)
A 22-year-old woman who recently emigrated ...
Obstruction of the right interventricular foramen (foramen of Monro) ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
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submitted by โˆ—hayayah(1212)
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The right and left ventricle are drained by separate parts of the foramen of monro. (Left side is drained by left monro, right side by right monro). An obstruction of the right foramen of monro will enlarge the right ventricle.

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hmorela  My mnemonic for CSF flow: "Little Infants Crying For Food. Sorry, All Done." Lateral ventricle - intraventricular foramen of monro - cerebral aqueduct - forth ventricle - foramen of lusaka/magendie - subarachnoid space - arachnoid granulations - dural venous sinuses +12
charcot_bouchard  u missed 3rd ventricle, how about " Little Igor the 3rd, Crying for..." +7
len49  "Little Infants Try Crying For Food. Sorry All done." Added the T (try) for third +1
caffeinequeen  Kind of a stretch but: LIT AFF to SAD Lateral ventricles -> Interventricular foramina of Monro -> Third Ventricle -> cerebral Aqueduct of Sylvius -> Fourth ventricle -> Foramina (luschka and magendie) -> Subarachnoid space -> Arachnoid granulations (reabsorbed) -> Dural venous sinuses (drains) +4
fatboyslim  Kind of dirty but: Monroe (foramen Monroe) likes to get on top of Sylvius (cerebral aqueduct AKA aqueduct of Sylvius). Then Luschka and Magendie are in alphabetical order. +3
meja2  @caffeinequeen: Thank you- LIT AFF to SAD works for me! +



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