Intestinal Obstruction Types and Causes
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Questions and Answers

What is the major difference between mechanical obstruction and paralytic ileus?

  • Mechanical obstruction occurs in the intestinal lumen, while paralytic ileus occurs in the intestinal wall.
  • Mechanical obstruction is caused by a physical blockage, while paralytic ileus is caused by a lack of bowel movement.
  • Peristalsis continues against a mechanical obstruction, while in paralytic ileus there is paralysis of the bowel muscle and absence of peristalsis. (correct)
  • Mechanical obstruction is more common in neonates, while paralytic ileus is more common in adults.

    • What is the most common cause of acute intestinal obstruction in the large bowel?

  • Gallstone ileus
  • Meconium ileus
  • Congenital adhesive bands
  • A tumor narrowing the lumen of the bowel (correct)

    • Which of the following is a symptom of mechanical intestinal obstruction?

  • Reduced intestinal sounds
  • Intermittent vomiting
  • Abdominal fullness and distension (correct)
  • Abdominal pain that is dull and constant

    • What is the treatment for acute intestinal obstruction?

    <p>Intravenous fluids</p> Signup and view all the answers

    Which of the following is a cause of mechanical intestinal obstruction due to a blockage in the intestinal wall?

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

    What is the key symptom that would indicate a strangulated external hernia as the cause of intestinal obstruction?

    <p>A tense, tender, painful irreducible swelling with no impulse on coughing at one of the hernial sites</p> Signup and view all the answers

    Which type of intestinal obstruction is characterized by the absence of peristalsis?

    <p>Paralytic ileus</p> Signup and view all the answers

    Which of the following is a cause of mechanical intestinal obstruction due to a blockage within the intestinal lumen?

    <p>Gallstone ileus</p> Signup and view all the answers

    Which of the following is a cause of mechanical intestinal obstruction due to a blockage in the intestinal wall?

    <p>Crohn's disease</p> Signup and view all the answers

    Which of the following is a symptom of paralytic ileus, but not mechanical intestinal obstruction?

    <p>Absence of peristalsis</p> Signup and view all the answers

    Which of the following is a symptom that would indicate a strangulated external hernia as the cause of intestinal obstruction?

    <p>A tense, tender, and painful irreducible swelling at a hernial site</p> Signup and view all the answers

    What is the most common cause of acute intestinal obstruction in the large bowel?

    <p>Tumor narrowing the lumen</p> Signup and view all the answers

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