The renal sinus is:
a. The point where blood leaves the kidney to join the large renal vein
b. The point where urine leaves the renal pelvis to enter the ureter
c. A hollowed area inside the kidneys
d. A depression in the renal cortex

Which is the correct order of these vessels going from the largest to the smallest?
a. Renal artery, segmental arteries, interlobar arteries, interlobular arteries, afferent arterioles
b. Renal artery, segmental arteries, interlobular arteries, interlobar arteries, afferent arterioles
c. Renal artery, segmental arteries, interlobular arteries, afferent arterioles, interlobar arteries
d. Renal artery, interlobar arteries, segmental arteries, interlobular arteries, afferent arterioles

Afferent arterioles are found in the renal:
a. Capsule
b. Cortex
c. Medulla
d. Pelvis