Ana L3C | Vessels/Nerves GI
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Questions and Answers

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?

    <p>Common iliac arteries</p> Signup and view all the answers

    What is the role of the inferior mesenteric artery?

    <p>Supplying blood to the large intestine</p> Signup and view all the answers

    What is the function of the common hepatic artery?

    <p>Supplying blood to the liver and gallbladder</p> Signup and view all the answers

    Which artery is the largest branch of the celiac trunk?

    <p>Splenic artery</p> Signup and view all the answers

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

    <p>Inferior pancreaticoduodenal artery</p> Signup and view all the answers

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

    <p>Splenic vein</p> Signup and view all the answers

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

    <p>Gastroduodenal artery</p> Signup and view all the answers

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

    <p>Inferior mesenteric artery</p> Signup and view all the answers

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

    <p>Portal vein</p> Signup and view all the answers

    The left colic artery supplies which part of the colon?

    <p>Descending colon</p> Signup and view all the answers

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

    <p>Inferior mesenteric artery</p> Signup and view all the answers

    What does the inferior mesenteric vein drain blood from?

    <p>Rectum, sigmoid colon, descending colon, splenic flexure</p> Signup and view all the answers

    Which vessel is associated with the obliterated umbilical vein?

    <p>Para-umbilical veins</p> Signup and view all the answers

    What does the middle colic artery supply?

    <p>Ascending colon and transverse colon</p> Signup and view all the answers

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

    <p>Lymphatics vessels and nodes</p> Signup and view all the answers

    What is the function of the sympathetic trunks?

    <p>Regulate gastric secretion and blood flow</p> Signup and view all the answers

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

    <p>Thoracic, lumbar, and sacral splanchnic nerves</p> Signup and view all the answers

    Where do the pelvic splanchnic nerves originate from?

    <p>Anterior rami of S2, S3, and S4 spinal nerves</p> Signup and view all the answers

    From which thoracic ganglia does the greater splanchnic nerve arise?

    <p>Fifth to the ninth (or tenth)</p> Signup and view all the answers

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

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

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

    <p>Abdominal prevertebral plexus</p> Signup and view all the answers

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

    <p>Provide parasympathetic innervation to the foregut and midgut</p> Signup and view all the answers

    What is the purpose of the abdominal prevertebral plexus?

    <p>Collect nerve fibers around the abdominal aorta and its major branches</p> Signup and view all the answers

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