GI Tract: Blood Supply and Nerves Flashcards
(33 cards)
All of the following branches of the Abdominal Aorta are retroperitoneal EXCEPT?
A. Celiac trunk supplier of foregut
B. SMA supplier of midgut
C. IMA supplier of hindgut
B. SMA supplier of midgut
The celiac trunk gives off what 3 main branches?
Splenic A.
Common Hepatic A.
Left Gastric A.
The Right Gastric artery supplies the lesser curvature of the stomach with the left gastric a. The Right gastric A. comes off what artery?
Common Hepatic A.
(sometimes the proper hepatic a. )
The esophagus is supplied by branches that come off which of the following?
A. Right gastric A.
B. Left Gastric A.
C. Gastroduodenal A.
D. Splenic A.
Left Gastric A.

Which of the following arteries gives off the short gastric aa. that supply the fundus of the stomach? Bonus: What other branches are given off by this artery?
A. Left Gastric A.
B. Gastroduodenal A.
C. Common Hepatic A.
D. Splenic A.
Splenic A.
- Left Gastroepoploic
The splenic A. is housed within what ligament?
A. Hepatoduodenal L.
B. Gastrocolic L
C. Gastrosplenic L.
D. Gastrophrenic L.
Gastrosplenic L.
The splenic a. helps supply all of the following structures EXCEPT?
A. Lesser Curvature of the stomach
B. Body of the pancres
C. Fundus and Greater Curvature of the Stomach
D. Spleen
Lesser Curvature of the stomach
What two arteries are found posterior to the duodenum?
A. Inferior pancreaticoduodenal A and Gastroepoploic A.
B. Gastroduodenal A. and Superior pancreaticoduodenal A.
C. Gastroduodenal A. and left gastroepoploic A.
D. All of the above
Gastroduodenal A. and Superior pancreaticoduodenal A.

Which of the following gives off branches that supply the duodenum distal to the bile duct?
A. Celiac Trunk
B. SMA
C. IMA
SMA
The SMA supplies the intestines from the distal portion of the duodenum to what structure?
A. Sigmoid Colon
B. distal 1/3rd of the Transverse Colon
C. proximal 2/3rds of the Transverse colon
D. Rectum
proximal 2/3rds of the Transverse colon

What branch off the SMA supplies the transverse colon (proximal 2/3rds)?
A. Intestinal A.
B. Appendicular A.
C. Ileocolic A and Intestinal Aa.
D. Middle Colic A.
E. Ileocolic A. and Right Colic A.
Middle Colic A.
What branch off the SMA supplies the ascending colon?
A. Intestinal A.
B. Appendicular A.
C. Ileocolic A and Intestinal Aa.
D. Middle Colic A.
E. Ileocolic A. and Right Colic A.
Ileocolic A. and Right Colic A.
What branch off the SMA supplies the ileum?
A. Intestinal A.
B. Appendicular A.
C. Ileocolic A and Intestinal Aa.
D. Middle Colic A.
E. Ileocolic A. and Right Colic A.
Ileocolic A and Intestinal aa.
NOTE: Jejunum is just Intestinal aa.
What branch of the SMA travels posterior to the uncinate and head of the pancreas?
A. Intestinal aa
B. Posterior Superior Pancreaticoduodenal A.
C. Posterior Inferior Pancreatiocoduodenal A.
D. Anterior Inferior Pancreaticoduodenal A.
Posterior Inferior Pancreatiocoduodenal A.

The Right Colic A. comes off the ____ while the Left Colic A. comes off the _____
The Right Colic A. comes off the SMA while the left Colic A. comes off the IMA
I and lowercase L look the same
The IMA has 3 branches that supply the desceding colon, sigmoid colon, and proximal rectum. What are those branches? Indicate what they supply
Descending Colon: Left Colic A.
Sigmoid Colon: Sigmoid aa.
Rectum (proximal): Superior Rectal A.

The Marginal A. of Drummond consists of multiple anastomoses connecting the SMA to the IMA that help prevent intestinal ischemia. What are the aa involved?
Right, Middle, and Left Colic
Sigmoid aa.

Blood supply to the rectim involves the 3 arteries expressed below. They supply the portion of the rectum you think they do, what’s tricky is remember what they branch from. Which one branches off the IMA?
A. Superior Rectal A.
B. Middle Rectal A.
C. Inferior Rectal A.
Superior Rectal A.
Blood supply to the rectim involves the 3 arteries expressed below. They supply the portion of the rectum you think they do, what’s tricky is remember what they branch from. Which one branches off internal iliac A.?
A. Superior Rectal A.
B. Middle Rectal A.
C. Inferior Rectal A.
Middle Rectal A.

Blood supply to the rectim involves the 3 arteries expressed below. They supply the portion of the rectum you think they do, what’s tricky is remember what they branch from. Which one branches off Internal Pudendal A.?
A. Superior Rectal A.
B. Middle Rectal A.
C. Inferior Rectal A.
Inferior Rectal A.

The Hepatic Portal Vein is formed by the union of what 3 veins?
Splenic V.
Superior Mesenteric V.
Inferior Mesenteric V.

I barely caught what he said in lecture, but this seems important

Hope you got it
What thoracic splanchnic nerves synapse on the Celiac Ganglion near the celiac trunk and send postagnaglionic fibers that travel with the branches of the celiac artery?
A. Greater Splanchnic N. (T5-T9)
B. Lesser Splanchnic N. (T10-11)
C. Least Splanchnic N. (T12)
Greater Splanchnic N.
Structures:
ESophagus
Stomach
Spleen
Pancreas
Liver
Biliary System
Gallbladder
Greater Omentum
What thoracic splanchnic nerves synapse on the Superior Mesenteric Ganglion that surrounds the SMA and sends out postgang fibers that are distrubuted with branches of the SMA?
A. Greater Splanchnic N. (T5-T9)
B. Lesser Splanchnic N. (T10-11)
C. Least Splanchnic N. (T12)
Lesser Splanchnic N.
Jejunum
Ileum
Cecum
Ascending Colon Transverse Colon