Intermediate Duodenum Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. Which artery mainly supplies the proximal duodenum?

  • Superior pancreaticoduodenal artery
  • Inferior mesenteric artery
  • Renal artery
  • Middle colic artery

Q2. At which vertebral level does the duodenum begin?

  • S1 vertebral level
  • T12 vertebral level
  • L1 vertebral level
  • L3 vertebral level

Q3. Which part of the duodenum is retroperitoneal?

  • Fourth part only
  • First part only
  • All parts
  • Second and third parts

Q4. What is the name of the structure where the bile duct and pancreatic duct open into the duodenum?

  • Minor duodenal papilla
  • Ampulla of Vater
  • Major duodenal papilla
  • Ligament of Treitz

Q5. Which hormone is secreted by the duodenum in response to acidic chyme?

  • Secretin
  • Cholecystokinin
  • Motilin
  • Gastrin

Q6. Which ligament marks the junction between the duodenum and jejunum?

  • Ligament of Treitz
  • Hepatoduodenal ligament
  • Falciform ligament
  • Pyloric sphincter

Q7. The duodenum wraps around which part of the pancreas?

  • Body of pancreas
  • Tail of pancreas
  • Uncinate process
  • Head of pancreas

Q8. Which muscle fibers are involved in the contraction of the pyloric sphincter?

  • Longitudinal smooth muscle
  • Skeletal muscle fibers
  • Elastic fibers
  • Circular smooth muscle fibers

Q9. What type of epithelium lines the mucosa of the duodenum?

  • Simple columnar epithelium
  • Pseudostratified columnar epithelium
  • Transitional epithelium
  • Stratified squamous epithelium

Q10. Which gland in the duodenum secretes alkaline mucus?

  • Crypts of Lieberkühn
  • Peyer's patches
  • Goblet cells
  • Brunner's glands
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