MCAT Question A Day - 6/6/13
The afferent arteriole, which brings blood to the glomerulus, has a wider diameter than the efferent arteriole, which carries blood away from the glomerulus. How does this arrangement contribute to kidney function?
A. It enhances filtration.
B. It enhances reabsorption.
C. It enhances urinary secretion.
D. All of the above
