Which one of these statements does NOT correctly apply to extrinsic control of the GFR
A)It is mediated by sympathetic nervous system input to the afferent arterioles.
B)It is aimed at the regulation of arterial blood pressure.
C)It is an autoregulatory mechanism.
D)Baroreceptors are involved.

Question

Quizplus · Accepted Answer

Extrinsic control of the GFR is not an autoregulatory mechanism, it is an external mechanism that regulates the GFR based on factors such as arterial blood pressure. Autoregulation of the GFR is an intrinsic mechanism that maintains a constant GFR in the face of changes in perfusion pressure. A, B, and D are correct statements about extrinsic control of the GFR.

Which One of These Statements Does NOT Correctly Apply to Extrinsic