Audio Qbank – Q127 – A 31M goes out for a run

 

A 31-year-old man goes out for a 40-minute run and sweats a lot in the process. Which of the following physiologic mechanisms most correctly describes how glomerular filtration is maintained in this setting?

 

  Decreased renal afferent arteriolar constriction
  Decreased renal afferent arteriolar dilation
  Decreased renal efferent arteriolar constriction
  Decreased renal efferent arteriolar dilation
  Increased renal afferent arteriolar constriction
  Increased renal afferent arteriolar dilation
  Increased renal efferent arteriolar constriction
  Increased renal efferent arteriolar dilation

 

Cut-to-the-chase Answer (0:42):
HY USMLE Answer (2:44):