Ana L3C | Vessels/Nerves GI

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Which branch of the celiac trunk supplies the foregut?

Left gastric artery (correct)

Splenic artery

Common hepatic artery

Inferior mesenteric artery

Where does the abdominal aorta begin?

At the aortic hiatus of the diaphragm (correct)

At the level of vertebra L4

Anterior to the vertebral bodies

Immediately below the aortic hiatus of the diaphragm

Which artery arises from the abdominal aorta immediately below the aortic hiatus of the diaphragm?

Superior mesenteric artery

Common iliac artery

Left gastric artery from celiac trunk (correct)

Inferior mesenteric artery

Which vessel are the terminal branches of the abdominal aorta?

Common iliac arteries Signup and view all the answers

What is the role of the inferior mesenteric artery?

Supplying blood to the large intestine Signup and view all the answers

What is the function of the common hepatic artery?

Supplying blood to the liver and gallbladder Signup and view all the answers

Which artery is the largest branch of the celiac trunk?

Splenic artery Signup and view all the answers

Which artery supplies the head and uncinate process of the pancreas and the duodenum?

Inferior pancreaticoduodenal artery Signup and view all the answers

Which vein joins the superior mesenteric vein to form the portal vein?

Splenic vein Signup and view all the answers

Which of the following is NOT a tributary of the splenic vein?

Gastroduodenal artery Signup and view all the answers

Which artery supplies the lowest part of the descending colon and the sigmoid colon?

Inferior mesenteric artery Signup and view all the answers

Which vessel is formed by the union of the splenic vein and the superior mesenteric vein?

Portal vein Signup and view all the answers

The left colic artery supplies which part of the colon?

Descending colon Signup and view all the answers

The superior rectal artery is a terminal branch of which artery?

Inferior mesenteric artery Signup and view all the answers

What does the inferior mesenteric vein drain blood from?

Rectum, sigmoid colon, descending colon, splenic flexure Signup and view all the answers

Which vessel is associated with the obliterated umbilical vein?

Para-umbilical veins Signup and view all the answers

What does the middle colic artery supply?

Ascending colon and transverse colon Signup and view all the answers

Which vessel forms large collections of pre-aortic lymph nodes?

Lymphatics vessels and nodes Signup and view all the answers

What is the function of the sympathetic trunks?

Regulate gastric secretion and blood flow Signup and view all the answers

Which splanchnic nerves carry preganglionic sympathetic fibers from the sympathetic trunk to ganglia in the prevertebral plexus?

Thoracic, lumbar, and sacral splanchnic nerves Signup and view all the answers

Where do the pelvic splanchnic nerves originate from?

Anterior rami of S2, S3, and S4 spinal nerves Signup and view all the answers

From which thoracic ganglia does the greater splanchnic nerve arise?

Fifth to the ninth (or tenth) Signup and view all the answers

Which part of the gastrointestinal tract is innervated by the pelvic splanchnic nerves?

Distal one-third of the transverse colon, descending colon, and sigmoid colon Signup and view all the answers

Where are the cell bodies of postganglionic sympathetic fibers scattered throughout?

Abdominal prevertebral plexus Signup and view all the answers

What is the main function of vagus nerves (X) in the abdomen?

Provide parasympathetic innervation to the foregut and midgut Signup and view all the answers

What is the purpose of the abdominal prevertebral plexus?

Collect nerve fibers around the abdominal aorta and its major branches Signup and view all the answers