The Small Intestine

Question 1

describe the route of the small intestine

Answer 1

extends from the pylorus of the stomach to the ileocaecal junction

Question 2

what section of the duodenum is the most common site of duodenal ulceration

Answer 2

superior duodenum

Question 3

what is the descending duodenum marked by

Answer 3

the major duodenal papilla

Question 4

is the duodenum within the peritoneum

Answer 4

no

Question 5

which section of the small intestine is found within the peritoneum

Answer 5

the jejunum and ileum

Question 6

how are the jejunum and ileum attached to the posterior abdominal wall

Answer 6

the mesentery

Question 7

what is the duodenum supplied by in the area proximal to the major duodenal papilla

Answer 7

the gastroduodenal artery

Question 8

what supplies the section of the duodenum distal to the major duodenal papilla

Answer 8

the inferior pancreaticoduodenal artery

Question 9

what is the gastroduodenal artery a branch of

Answer 9

the coeliac trunk

Question 10

what is the inferior pancreaticoduodenal artery a branch of

Answer 10

the superior mesenteric artery

Question 11

describe the venous drainage of the duodenum

Answer 11

veins that lead to the hepatic portal vein

Question 12

what supplies the jejunum and ileum

Answer 12

superior mesenteric artery

Question 13

describe the venous drainage of the jejunum and ileum

Answer 13

superior mesenteric vein which units with the splenic vein at the neck of the pancreas to form the hepatic portal vein

Question 14

what is the small intestine innervated by

Answer 14

branches of the vagus nerve and thoracic splanchnic nerves which extend the entire length of the small intestine