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NBME 17 Answers

nbme17/Block 4/Question#4 (3.4 difficulty score)
A 54-year-old woman with hypertension and ...
Vasodilating prostaglandins at the afferent arteriole🔍

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submitted by cassdawg(548),

The kidney secretes prostaglandins in a paracrine fashion, and prostaglandins dilate the afferent arteriole to increase renal blood flow (FA2020 p589).

Here is a diagram.