Vessels and Nerves of the Pelvis and Pelvic Floor

Question 1

At what vertebral level does the abdominal aorta bifurcate into the left and right common iliac arteries?

Answer 1

L4 and L5

Question 2

With which vessel does the inferior epigastric artery anastomose?

Answer 2

Superior epigastric artery

Question 3

What nerve controls the external urethral sphincter?

Answer 3

Pudendal nerve

Question 4

What nerve activity causes contractor of the detrusor muscle and bladder emptying?

Answer 4

Pelvic nerves S2-S4