Abdominal aorta

Question 1

Level of coeliac trunk

Answer 1

T12

Question 2

Branches around coeliac(in order)

Answer 2

Inferior phrenic and middle suprarenal

Question 3

Branch of inferior phrenic

Answer 3

Superior suprarenal

Question 4

Level of superior mesenteric artery

Answer 4

L1-L2

Question 5

Branches around the superior mesenteric artery (in order)

Answer 5

First lumbar, renal, gonadal and second lumbar

Question 6

Branch of renal artery

Answer 6

Inferior suprarenal

Question 7

Location of the right renal artery with respect to the IVC

Answer 7

Right renal artery is behind the IVC

Question 8

Level of inferior mesenteric artery

Answer 8

L3-L4

Question 9

Branches around IMA

Answer 9

Third lumbar(L3) and Fourth Lumbar(L4)

Question 10

What does the IMA divide into and at what level

Answer 10

Right, left common iliac and median sacral - L5

Question 11

What do the left and right common iliac arteries divide into?

Answer 11

Right and left internal iliac and femoral arteries

Question 12

Artery closest to the inguinal ligament

Answer 12

Femoral

Question 13

Blood supply to the adrenal glands

Answer 13

The 3 suprarenal arteries

Question 14

Why are the gonadal arteries situated at a relatively high level to their organs they supply

Answer 14

This is because during early fetal life, the gonads begin to develop up next to the kidneys before migrating downwards to their proper positions. They get their blood supply from where they started, not from where they end up.

Question 15

Why are the lumbar arteries not easily visible?

Answer 15

The lumbar arteries arise posteriorly

Question 16

Where do the 5th lumbar arteries on either side arise from?

Answer 16

The 5th lumbar arteries on either side arise from the median sacral artery

Question 17

What are the branches of superior mesenteric?

Answer 17

1) Distal part duodenum to proximal 2/3 transverse colon
2) Jejunal and ileal branches
3) Middle colic
4) Right colic
5) Ileocaecal

Question 18

Branches of inferior mesenteric

Answer 18

1) Distal 1/3 transverse colon to half way down anal canal
2) Left colic
3) Sigmoid
4) Superior rectal

Question 19

Lymph drainage around mesenteric

Answer 19

Superior and inferior mesenteric nodes

Question 20

Describe the autonomic sympathetic innervation for abdomen

Answer 20

Sympathetic innervation:

• Splanchnic nerves
• Symp trunk and ganglia

Question 21

Describe the autonomic parasympathetic innervation for the abdomen

Answer 21

Vagus nerve (CN X)

Pelvic splanchnic nerves (S2-4)