Question

The arcuate arteries give off branches called ______ arteries that project peripherally into the cortex.

1) Interlobar
2) Afferent
3) Efferent
4) Cortical

Answer 1

The arcuate arteries branch off to form cortical radiate arteries that extend into the kidney cortex, leading to afferent arterioles that serve nephrons.

Step-by-step explanation:

The arcuate arteries, which branch from the interlobar arteries, give off branches called cortical radiate arteries that project peripherally into the cortex. These arteries are crucial in the renal blood supply chain that serves the functional unit of the kidney, the nephron. After branching from the cortical radiate arteries, the afferent arterioles lead to the glomeruli, where they provide the blood to be filtered.