Intermediate Duodenum Quiz

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This quiz contains 10 questions. Click below to begin.

Q1. Which artery mainly supplies the proximal duodenum?

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

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

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

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

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

  • Motilin
  • Cholecystokinin
  • Gastrin
  • Secretin

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

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

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

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

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

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

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

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

Q10. Which gland in the duodenum secretes alkaline mucus?

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