Anatomy of the Pancreas

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Questions and Answers

What is the approximate length of the pancreas?

  • Nine inches
  • Five inches (correct)
  • Seven inches
  • Three inches

Which of the following is NOT a hormone secreted by the pancreas?

  • Adrenaline (correct)
  • Insulin
  • Glucagon
  • Somatostatin

What percentage of the pancreatic function is attributed to the production of pancreatic juices?

  • 75%
  • 50%
  • 100%
  • 99% (correct)

How many primary ducts extend through the pancreas?

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

What is the name of the duct that often fuses with the bile duct before draining into the duodenum?

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

What percentage of the pancreas is formed by the pancreatic acini?

<p>99% (D)</p> Signup and view all the answers

What is the name of the region of the pancreas that points towards the spleen?

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

What is the name of the curve of the duodenum where the head of the pancreas is nestled?

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

What is the function of the islets of Langerhans?

<p>Secretion of hormones (C)</p> Signup and view all the answers

What is the approximate percentage of the pancreas that is formed by the islets of Langerhans?

<p>1% (A)</p> Signup and view all the answers

What is the primary function of sodium bicarbonate in pancreatic juices?

<p>To neutralize acidic chyme from the stomach (D)</p> Signup and view all the answers

What is the purpose of the trypsin inhibitor secreted by the pancreas?

<p>To prevent accidental activation of trypsin (B)</p> Signup and view all the answers

What is the function of gastric inhibitory peptide?

<p>To stimulate the secretion of insulin (D)</p> Signup and view all the answers

What is the role of enterokinase in the activation of pancreatic proteases?

<p>It activates trypsinogen (A)</p> Signup and view all the answers

What is the primary function of pancreatic amylase?

<p>To target starches (A)</p> Signup and view all the answers

What is the effect of secretin on the pancreas?

<p>It stimulates the secretion of pancreatic juices rich in bicarbonate (B)</p> Signup and view all the answers

What is the purpose of the precursor molecules in pancreatic juices?

<p>To ensure that the enzymes are inactive while inside the pancreas (D)</p> Signup and view all the answers

What is the effect of CCK on the pancreas?

<p>It stimulates the secretion of pancreatic juices rich in enzymes (C)</p> Signup and view all the answers

What is the primary function of pancreatic lipase?

<p>To target lipids (C)</p> Signup and view all the answers

What is the role of the duodenum in regulating pancreatic secretions?

<p>It releases hormones that stimulate pancreatic secretions (C)</p> Signup and view all the answers

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