Vascular supply and lymph drainage of GI

Question 1

What does the celiac trunk supply? (embryological origins)

Answer 1

The foregut

Question 2

What does the superior mesenteric artery supply? (embryological origins)

Answer 2

The midgut

Question 3

What does the inferior mesenteric artery supply? (embryological origins)

Answer 3

The hindgut

Question 4

3 branches of the celiac trunk

Answer 4

Left gastric artery
Splenic artery
Common hepatic artery

Question 5

What does the proper hepatic artery supply?

Answer 5

The liver

Question 6

What does the proper hepatic artery contribute to in the liver?

Answer 6

The portal triad

Question 7

Where does the right gastric artery originate?

Answer 7

The common hepatic artery

Question 8

Where does the right and left gastric artery join in an anastomosis?

Answer 8

In the lesser curvature of the stomach

Question 9

What is the left gastro-mental artery a branch of?

Answer 9

Splenic artery

Question 10

What is the right gastro-mental artery a branch of?

Answer 10

Gastroduodenal artery

Question 11

Where does the inferior pancreatico-duodenal artery originate?

Answer 11

Superior mesenteric artery

Question 12

What are the jejunal and ill arteries branche of?

Answer 12

The superior mesenteric artery

Question 13

What is the anastomoses between the celiac trunk and the superior mesenteric?

Answer 13

Pancreatico-duodenal arteries

Question 14

What is the anastomoses between the inferior mesenteric and the superior mesenteric?

Answer 14

Middle colic artery and left colic artery

Question 15

What is the anastomoses between the internal iliac artery and the inferior mesenteric?

Answer 15

Superior rectal artery and middle/inferior rectal artery

Question 16

5 arteries that supply the stomach

Answer 16

Left gastric
Right gastric
Right gastroomental
Left gastroomental
Short gastric

Question 17

2 arteries that supply the head of the pancreas and the duodenum

Answer 17

Sup pancreaticoduodenal artery (post and ant)
Inf pancreaticoduodenal artery (post and ant)

Question 18

What supplies the body and tail of the pancreas?

Answer 18

Splenic artery

Question 19

What supplies the jejunum and ileum?

Answer 19

Branches of the superior mesenteric artery

Question 20

What guarantees blood supply to the small bowels?

Answer 20

The anastomoses between the branches of the superior mesenteric artery

Question 21

What supplies the cecum and appendix?

Answer 21

Ileocolic artery

Question 22

What supplies the ascending colon?

Answer 22

Right colic artery

Question 23

What supplies 2/3 of the transverse colon?

Answer 23

The middle colic artery

Question 24

What supplies the distal 1/3 of the transverse colon?

Answer 24

Left colic artery

Question 25

What supplies the descending colon?

Answer 25

Left colic artery

Question 26

What supplies the sigmoid of the colon?

Answer 26

Sigmoid artery

Question 27

What supplies 2/3 of the rectum?

Answer 27

Superior rectal artery

Question 28

What is the portal vein formed by?

Answer 28

Superior mesenteric vein Splenic veins (and inferior mesenteric)

Question 29

Where is the venous anastomoses between the portal and caval system?

Answer 29

At the rectum

Question 30

What does the middle rectal vein and inferior rectal vein drain into?

Answer 30

Internal iliac vein

Question 31

Which system does the superior rectal vein drain into?

Answer 31

The portal system

Question 32

What nervous system innervates the GI tract?

Answer 32

The autonomous (sympathetic and parasympathetic)

Question 33

What is the sympathetic effect on the gastrointestinal tract?

Answer 33

Mobility and secretion goes down Contraction of sphincter muscles

Question 34

What is the sympathetic effect on the splenic capsule?

Answer 34

Contraction

Question 35

What is the sympathetic effect on the liver?

Answer 35

Glycogenolysis/glucogenesis increases

Question 36

What is the sympathetic effect on the pancreas?

Answer 36

Insulin and genereal secretion goes down

Question 37

What is the parasympathetic effect on the pancreas?

Answer 37

Increase in secretion

Question 38

What is the parasympathetic effect on the liver?

Answer 38

No effect

Question 39

What is the parasympathetic effect on the splenic capsule?

Answer 39

No effect

Question 40

What is the parasympathetic effect on the gastrointestinal tract?

Answer 40

Increase in secretion and mobility Relaxation of the sphincter muscle

Question 41

What is visceral pain?

Answer 41

Pain afferents from the viscera

Question 42

What is somatic pain?

Answer 42

Pain afferents from the dermatomes

Question 43

Where does visceral pain and somatic pain terminate?

Answer 43

The same processing neurons in the posterior horn of the spinal cord

Question 44

What is referred pain?

Answer 44

The confusion of the relationship between the pain's origins and it perception

Question 45

Where is the pain impulses from a particular internal organ consistently projected?

Answer 45

To the same well-defined skin area