What effect is achieved by having an arteriole that supplies blood and another that drains blood from the glomerulus? A. oxygen rich blood can be supplied to the nephron after blood leaves the glomerulus B. the blood pressure within the glomerulus can be manipulated. C. reabsorption of water and nutrients from the fi ltrate is facilitated. D. the concentration gradient within the kidney’s medulla can be maintained.
Option B. Arterioles have smooth muscle of their wall which lets in them to constrict and dilate, consequently adjusting the fl ow via them and conse- quently the blood pressure inside them.
