A physiologist is studying the effect of various manipulations on kidney blood flow and glomerular filtration. Which of the following is most likely to both decrease renal plasma flow and increase the filtration fraction?

Question

Quizplus · Accepted Answer

Eductional Objective: Constriction of the efferent (outgoing) arteriole will impede blood flow through the kidney. This will decrease RPF, but will increase glomerular capillary hydrostatic pressure as the fluid "backs up" in the glomerulus, increasing hydrostatic pressure. As described below, this increased glomerular hydrostatic pressure will cause an increase in the filtration fraction.

A Physiologist Is Studying the Effect of Various Manipulations on Kidney