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Retired NBME 30 Answers

nbme30/Block 1/Question#37 (reveal difficulty score)
A study is conducted in which the right renal ...
Increase efferent arteriolar resistance ๐Ÿ” / ๐Ÿ“บ / ๐ŸŒณ / ๐Ÿ“–
tags: renal cardio

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submitted by โˆ—namesthegame22(13)
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  • Regional Auto registration is mediated by the delivery of filtered sodium to the macula densa.

  • decrease in BP --> Hypo-perfusion of the glomerulus leads to decrease sodium filtration, and activation of RAAS by the macula densa, which causes AT-2 mediated constriction of the glomerular efferent arteriole, and consequent increase in intraglomerular pressure/GFR.

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namesthegame22  Auto regulation* +
namesthegame22  lol +

Maintain constant GFR by constricting efferent arterioles.



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