Activation of sympathetic nerves leading to the kidney will

A)stimulate the release of ANP
B)mainly cause constriction of the afferent arteriole
C)cause equal constriction of both the afferent and efferent arterioles
D)mainly cause constriction of the efferent arteriole
E)increase the GFR

B) mainly cause constriction of the afferent arteriole

The activation of sympathetic nerves leading to the kidney will mainly cause constriction of the afferent arteriole (Choice B).