Anatomy L1

Question 1

Biliary tract disorders present with pain in which abdominal quadrant?

Answer 1

Upper right

Question 2

Where is McBurney’s point?

Answer 2

Lies between the lateral third and medial 2/3 of an imaginary line between the Umbilicus and the ant.sup. Iliac spine

Question 3

What are the vertical planes that divide the abdominal cavity?

Answer 3

Rt & Lt vertical planes that pass the midinguinal point.
Is also midclavicular

Question 4

What are the horizontal planes of the abdomen?

Answer 4

1) Intertubercular plane: at level L5 that crosses the 2 tubercles of iliac crest
2) Transpyloric plane: at the level of L1 passes the pylorus of the stomach
3) subcostal plane: at L3 passes costal margins

Question 5

Main structures at each Horizontal plane

Answer 5

1) Transpyloric: Fundus of gallbladder, Sup. mesenteric A, meeting of rectus abdominus with costal margins
2) subcostal: L3, inf. Mesenteric, third part of duodenum.
3) supracristal: L4, division of aorta
4) intertubercular: beginning of IVC

Question 6

What drains the Hindgut?

Answer 6

Inf. Mesenteric into splenic into portal vein

Question 7

Explain the origins of abdominal major arteries

Answer 7

The celiac trunk and the superior mesenteric arise from the front of abdominal aorta at level L1
While the inferior mesenteric at level L3

Question 8

What are the branches of the celiac artery?

Answer 8

Left gastric (smallest), splenic (largest, tortuous), Common hepatic

Question 9

Branches of common hepatic

Answer 9

Right gastric, gastroduodenal, Rt & Lt hepatic