Anatomy of the Colon
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Questions and Answers

What is the approximate length of the colon from the junction of the terminal ileum to the rectum?

  • 100 cm
  • 200 cm
  • 150 cm (correct)
  • 50 cm
  • Which part of the colon is the widest in diameter?

  • Transverse colon
  • Sigmoid colon
  • Cecum (correct)
  • Descending colon
  • Which part of the colon is most vulnerable to perforation and least vulnerable to obstruction?

  • Transverse colon
  • Sigmoid colon
  • Cecum (correct)
  • Descending colon
  • What marks the transition from the transverse colon to the descending colon?

    <p>Splenic flexure</p> Signup and view all the answers

    Which part of the large intestine is extremely mobile?

    <p>Sigmoid colon</p> Signup and view all the answers

    What marks the transition from the ascending colon to the transverse colon?

    <p>Hepatic flexure</p> Signup and view all the answers

    Which part of the large intestine has dense attachments to the spleen, making mobilization challenging during colectomy?

    <p>Descending colon</p> Signup and view all the answers

    Which part of the colon is relatively fixed to the retroperitoneum?

    <p>Descending colon</p> Signup and view all the answers

    What is found at approximately the level of the sacral promontory and is arbitrarily described as the point at which the three teniae coli coalesce to form the outer longitudinal smooth muscle layer of the rectum?

    <p>Rectosigmoid junction</p> Signup and view all the answers

    Which part of the colon has the thinnest muscular wall and is most vulnerable to perforation?

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

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