Liver Anatomy: Lobules and Portal Triad
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Questions and Answers

What is the shape of each anatomical lobule in the liver?

  • Hexagonal (correct)
  • Triangular
  • Oval
  • Circular
  • What is the function of the bile duct in the portal triad?

  • To drain bile from the liver (correct)
  • To transmit nerve signals
  • To deliver oxygenated blood to the liver
  • To carry lymphatic vessels
  • Which ducts combine to form the common hepatic duct?

  • Left and right hepatic ducts (correct)
  • Main pancreatic duct and common hepatic duct
  • Common bile duct and cystic duct
  • Intralobular ducts and collecting ducts
  • Where does the common bile duct empty into?

    <p>Duodenum</p> Signup and view all the answers

    What is the purpose of the gallbladder in the biliary tree?

    <p>To store and release bile</p> Signup and view all the answers

    What is the name of the structure formed by the union of the common bile duct and the main pancreatic duct?

    <p>Hepatopancreatic ampulla</p> Signup and view all the answers

    What is the level at which the median sacral artery arises?

    <p>L4</p> Signup and view all the answers

    What is the most common site for aneurysmal changes?

    <p>Abdominal aorta</p> Signup and view all the answers

    What symptom may a patient with an aortic arch aneurysm experience?

    <p>Hoarse voice</p> Signup and view all the answers

    What is the name of the major vessel in the systemic venous system?

    <p>Inferior vena cava</p> Signup and view all the answers

    What is the common convergence of venous drainage from all structures below the diaphragm?

    <p>Inferior vena cava</p> Signup and view all the answers

    What is the consequence of leaving a large aneurysm untreated?

    <p>It may rupture</p> Signup and view all the answers

    What regulates the papilla?

    <p>Sphincter of Oddi</p> Signup and view all the answers

    Which artery supplies blood to the gallbladder?

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

    Where does the venous drainage of the neck of the gallbladder flow into?

    <p>Cystic veins</p> Signup and view all the answers

    What is the function of the portal system?

    <p>To carry venous blood to the liver</p> Signup and view all the answers

    What is the point of convergence for the venous drainage of several organs?

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

    How does the portal vein divide before entering the liver?

    <p>Into two branches</p> Signup and view all the answers

    What forms as an accompanying vein for each branch of the superior mesenteric artery?

    <p>Tributaries of the portal venous system</p> Signup and view all the answers

    What is a connection between the veins of the portal venous system and the veins of the systemic venous system?

    <p>Porto-systemic anastomosis</p> Signup and view all the answers

    What is the major site of anastomosis between the oesophageal branch of the left gastric vein and the oesophageal tributaries to the azygous system?

    <p>Oesophageal</p> Signup and view all the answers

    What is the definition of portal hypertension?

    <p>A portal venous pressure of more than 20mmHg</p> Signup and view all the answers

    What is the result of rupture of oesophageal or rectal varices?

    <p>Fatal blood loss</p> Signup and view all the answers

    What is the cause of redirection of blood through porto-systemic anastomoses in portal hypertension?

    <p>Obstruction of blood flow through the portal system</p> Signup and view all the answers

    What is the term for the peak of a renal pyramid?

    <p>Renal papilla</p> Signup and view all the answers

    What is the structure that urine passes through before entering the ureter?

    <p>Renal pelvis</p> Signup and view all the answers

    Where do the renal arteries originate from?

    <p>Abdominal aorta</p> Signup and view all the answers

    What is the percentage of blood supply carried by the posterior division of the renal artery?

    <p>25%</p> Signup and view all the answers

    How many segmental arteries originate from the divisions of the renal artery?

    <p>5</p> Signup and view all the answers

    What is the name of the deep fissure on the medial margin of each kidney?

    <p>Renal hilum</p> Signup and view all the answers

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