Multiple choice

Ultrafiltration in the kidneys is the process by which large molecules that are essential to the body are filtered out so that they can be reabsorbed. The site of ultrafiltration in the kidney is

  1. renal sinus

  2. renal fascia

  3. renal papilla

  4. renal medulla

  5. renal cortex

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

The renal cortex is the outer portion of the kidney between the renal capsule and the renal medulla. It is the part of the kidney where ultrafiltration occurs. Erythropoietin is produced in the renal cortex.