Anatomy Exam Gross Anatomy of the Kidney 4

Question 1

Which artery directly supplies blood to the kidney?

Accepted Answer

Renal artery

Answer

The renal artery, a direct lateral branch of the abdominal aorta, is the primary blood supply to the kidney.

Question 2

The right renal artery is longer than the left because it must pass posterior to which structure?

Accepted Answer

Inferior vena cava

Answer

The right renal artery is longer because it courses posterior to the inferior vena cava (which lies to the right of the aorta) to reach the right kidney.

Question 3

The left renal vein is longer than the right and crosses anterior to which structure?

Accepted Answer

Aorta

Answer

The left renal vein crosses anterior to the aorta (and posterior to the superior mesenteric artery) to drain into the IVC.

Question 4

Which lymph nodes are the primary drainage for the kidneys?

Accepted Answer

Lateral aortic (lumbar) lymph nodes

Answer

Lymph from the kidneys drains to the lateral aortic (lumbar) lymph nodes situated along the abdominal aorta.

Question 5

A horseshoe kidney is typically fused at the:

Accepted Answer

Lower poles

Answer

In horseshoe kidney, the lower poles are fused across the midline by an isthmus of renal parenchyma or fibrous tissue.

Anatomy Exam Practice Test

Anatomy Exam Practice Test

Anatomy Exam Gross Anatomy of the Kidney 4