Abdomen

Question 1

What artery supplies the foregut and at which vertebral level would you find it?

Answer 1

coelic trunk T12 off the aorta

Question 2

What vessel supplies the midgut and at which vertebral level does it arise?

Answer 2

superior mesenteric L1

Question 3

What structures does the superior mesenteric supply

Answer 3

Distal ½ of duoudenum, jejunum, ileum, caecum, appendix, transverse colon up to the splenic flexure

Question 4

differnces bet jejunum and illeum

Answer 4

jejunum has thicker wall, has numerous plicae circulares, lacks Peyer’s patches, longer vasa recta with a few large arterial arcades
Ileum is thinner, few plicae, many Peyer’s patches and has short vasa recta with many short arcades

Question 5

Blood supply to the hindgut

Answer 5

Inferior mesenteric artery (L3)

Question 6

Common hepatic artery branches

Answer 6

Common Hepatic artery
Gastroduodenal
Supraduodenal
Superior pancreaticoduodenal – A/P branches to head of pancreas and …………………
Right gastro-omental artery along lower greater curvature of stomach
Right Gastric artery - along lower lesser curvature of stomach
Hepatic artery proper
Left hepatic artery
Right hepatic artery
Cystic artery

Question 7

what nerve controls the anal sphincter

Answer 7

pudendal nerve

Question 8

free edge of the falciform ligament

Answer 8

ligamentum teres hepatis)

Question 9

what attaches the liver to the anterior abdominal wall

Answer 9

falciform ligament

Question 10

Structures find porta heptis

Answer 10

Bile duct, hepatic portal vein, hepatic artery proper.

Question 11

spleen location

Answer 11

Ribs 9-11 in midaxillary line

Question 12

liver location

Answer 12

4.5-8.5

Question 13

muscles posterior abdominal wall

Answer 13

psoas major (+minor if present), quadratus lumborum, transversus abdominis. NOTE: iliacus (which arises from the iliac fossa) joins with psoas major to form iliopsoas which produces hip flexion