Bile Duct Anatomy and Function Quiz
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Questions and Answers

What is the function of the sphincter present in the bile duct?

  • To prevent reflux of stomach acids
  • To regulate pancreatic juice flow
  • To regulate bile flow (correct)
  • To facilitate digestion

Where does the bile duct terminate?

  • By uniting with the pancreatic duct to form the hepatopancreatic ampulla (correct)
  • By joining the duodenum directly
  • By emptying into the gallbladder
  • By connecting with the stomach

What problems can arise within the common bile duct?

  • Excessive bile production
  • Gallbladder malfunction
  • Pancreatic inflammation
  • Obstruction-related issues (correct)

Where is the proximal supraduodenal part of the bile duct situated?

<p>Within the free edge of the lesser omentum (D)</p> Signup and view all the answers

What is the accepted upper limit of normal calibre for the common bile duct (CBD)?

<p>6mm (B)</p> Signup and view all the answers

How much diameter is allowed for each decade over 60 years for the normal CBD?

<p>1mm (B)</p> Signup and view all the answers

What condition can result if the common bile duct is obstructed by a gallstone?

<p>Choledocholithiasis (A)</p> Signup and view all the answers

Where is the common bile duct most readily seen on abdominal ultrasonography?

<p>Porta hepatis (C)</p> Signup and view all the answers

What distinguishes the common bile duct from the portal vein and hepatic artery on ultrasonography?

<p>Absence of Doppler signal (C)</p> Signup and view all the answers

What is one form of treatment for an obstructed common bile duct?

<p>Cholecystenterostomy (A)</p> Signup and view all the answers

What are rare deformities of the common bile duct mentioned in the text?

<p>Cystic dilations, choledochoceles, and biliary atresia (D)</p> Signup and view all the answers

What is the upper limit of normal calibre for the common bile duct (CBD)?

<p>6mm (A)</p> Signup and view all the answers

What is the upper limit (95% prediction interval) for the common bile duct after a few months of cholecystectomy?

<p>10mm (D)</p> Signup and view all the answers

What distinguishes the common bile duct from the portal vein and hepatic artery on ultrasonography?

<p>Absence of Doppler signal (B)</p> Signup and view all the answers

What is the condition that can result from the common bile duct being obstructed by a gallstone?

<p>Choledocholithiasis (D)</p> Signup and view all the answers

What is the surgical procedure to create a connection between the common bile duct (CBD) and an alternative portion of the duodenum?

<p>Choledochoduodenostomy (B)</p> Signup and view all the answers

What are rare deformities of the common bile duct mentioned in the text?

<p>All of the above (D)</p> Signup and view all the answers

Where is the common bile duct most readily seen on abdominal ultrasonography?

<p>Porta hepatis (C)</p> Signup and view all the answers

What has been documented since at least the time of Erasistratus?

<p>Obstruction of the common bile duct and related jaundice (B)</p> Signup and view all the answers

Where is the distal paraduodenal part of the bile duct situated?

<p>Right-ward and accommodated by a groove upon the posterior aspect of the head of the pancreas (A)</p> Signup and view all the answers

What is the length of the bile duct?

<p>6–8 cm (C)</p> Signup and view all the answers

What is the function of the sphincter in the bile duct?

<p>To enable regulation of bile flow (A)</p> Signup and view all the answers

What does the bile duct terminate by uniting with?

<p>The pancreatic duct (D)</p> Signup and view all the answers

What is the upper limit of normal calibre for the common bile duct (CBD)?

<p>6mm (B)</p> Signup and view all the answers

What distinguishes the common bile duct from the portal vein and hepatic artery on ultrasonography?

<p>Absence of Doppler signal (B)</p> Signup and view all the answers

What problems can arise within the common bile duct?

<p>Cholangitis (C)</p> Signup and view all the answers

What condition can result if the common bile duct is obstructed by a gallstone?

<p>Choledocholithiasis (C)</p> Signup and view all the answers

Where does the bile duct terminate?

<p>Duodenum (D)</p> Signup and view all the answers

What are rare deformities of the common bile duct mentioned in the text?

<p>Cystic dilations (D)</p> Signup and view all the answers

Since when has obstruction of the common bile duct and related jaundice been documented?

<p>Ancient Greece (B)</p> Signup and view all the answers

What is the surgical procedure to create a connection between the common bile duct (CBD) and an alternative portion of the duodenum?

<p>Choledochoduodenostomy (B)</p> Signup and view all the answers

What is the length of the bile duct?

<p>6-8 cm (D)</p> Signup and view all the answers

Where is the distal paraduodenal part of the bile duct situated?

<p>Groove upon the posterior aspect of the head of the pancreas (B)</p> Signup and view all the answers

What distinguishes the common bile duct from the portal vein and hepatic artery on ultrasonography?

<p>Presence of a sphincter (A)</p> Signup and view all the answers

What is the function of the sphincter present in the bile duct?

<p>Regulation of bile flow (C)</p> Signup and view all the answers

What is the upper limit of normal calibre for the common bile duct (CBD)?

<p>10mm (C)</p> Signup and view all the answers

What distinguishes the common bile duct from the portal vein and hepatic artery on ultrasonography?

<p>Absence of Doppler signal (D)</p> Signup and view all the answers

What condition can result if the common bile duct is obstructed by a gallstone?

<p>Ascending cholangitis (D)</p> Signup and view all the answers

Where is the common bile duct most readily seen on abdominal ultrasonography?

<p>Porta hepatis (B)</p> Signup and view all the answers

What are rare deformities of the common bile duct mentioned in the text?

<p>Cystic dilations and choledochoceles (D)</p> Signup and view all the answers

What is one form of treatment for an obstructed common bile duct?

<p>Cholecystenterostomy (B)</p> Signup and view all the answers

What has been documented since at least the time of Erasistratus?

<p>Obstruction of the common bile duct (B)</p> Signup and view all the answers

What is the surgical procedure to create a connection between the common bile duct (CBD) and an alternative portion of the duodenum?

<p>Choledochoduodenostomy (C)</p> Signup and view all the answers

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