Mucosal Polyps Quiz
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Questions and Answers

What is the annual incidence of lower gastrointestinal bleeding?

  • 10 to 15 cases per 100,000 population
  • 50 to 60 cases per 100,000 population
  • 30 to 40 cases per 100,000 population
  • 20 to 27 cases per 100,000 population (correct)
  • Which condition presents with sudden onset of left-sided abdominal pain and bloody diarrhea?

  • Diverticular disease
  • Inflammatory bowel disease
  • Anorectal disease
  • Ischemic colitis (correct)
  • What is the most common site for volvulus in the large bowel?

  • Transverse colon
  • Cecum
  • Rectum
  • Sigmoid colon (correct)
  • Which condition may lead to bowel infarction in cases of volvulus?

    <p>Ischemic colitis</p> Signup and view all the answers

    Which of the following is NOT a common etiology of lower gastrointestinal bleeding?

    <p>Upper GI bleeding</p> Signup and view all the answers

    What is the characteristic symptom of diverticular disease?

    <p>Left-sided abdominal pain</p> Signup and view all the answers

    What is the percentage of patients with either diverticular disease or colonic angiodysplasia who have recurrent or profuse bleeding?

    <p>90%</p> Signup and view all the answers

    What is the most common location for colorectal polyps to arise from?

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

    Which condition is associated with a mobile cecum folding cephalad on a fixed ascending colon?

    <p>Cecal bascule</p> Signup and view all the answers

    What is the primary pathologic process in ulcerative colitis?

    <p>Mucosal and submucosal ulceration</p> Signup and view all the answers

    What is the most significant factor determining cancer risk in neoplastic mucosal polyps?

    <p>Size of the lesion</p> Signup and view all the answers

    Which part of the GI tract does Crohn's disease affect?

    <p>Entire GI tract</p> Signup and view all the answers

    Which condition is characterized by pronounced abdominal distention suggestive of a mechanical large bowel obstruction, in the absence of an obstructing lesion?

    <p>Pseudo-obstruction</p> Signup and view all the answers

    What is the etiology of diverticular disease of the colon?

    <p>Changes in fecal flora</p> Signup and view all the answers

    What is the most common type of non-neoplastic mucosal polyps seen in children less than 10 years of age?

    <p>Juvenile polyps</p> Signup and view all the answers

    Which type of cancer is the second most common malignancy in the United States?

    <p>Colorectal cancer</p> Signup and view all the answers

    What type of cancer accounts for 2% of large bowel cancers?

    <p>Anal cancer</p> Signup and view all the answers

    What term is used to describe the downward displacement of the anal cushions, causing dilatation of the contained venules?

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

    Which condition is characterized by an ulcer in the lower portion of the anal canal?

    <p>Anal fissure</p> Signup and view all the answers

    In which condition does the abscess cavity not heal completely but becomes an inflammatory tract with the primary internal opening in the anal crypt at the dentate line and the secondary opening in the perianal skin?

    <p>Fistula-in-Ano</p> Signup and view all the answers

    Which type of non-neoplastic mucosal polyps are seen as idiopathic or severe chronic inflammation of any kind?

    <p>Inflammatory polyps</p> Signup and view all the answers

    What is the most likely cause of pilonidal sinus?

    <p>Trauma to the sacrococcygeal area</p> Signup and view all the answers

    In which age group is the incidence of pilonidal sinus highest?

    <p>Third and fourth decades of life</p> Signup and view all the answers

    What is a common associated factor for pilonidal sinus?

    <p>Increased sweating</p> Signup and view all the answers

    What is the risk of recurrence of pilonidal sinus at 3 years according to some studies?

    <p>50%</p> Signup and view all the answers

    What is the cause of rectal prolapse?

    <p>Chronic straining with constipation or diarrhea</p> Signup and view all the answers

    What is the predominance of rectal prolapse in terms of gender?

    <p>Female : male ratio of 5 : 1 to 6 : 1</p> Signup and view all the answers

    What type of rectal prolapse involves prolapse of rectal mucosa only?

    <p>First-degree with an occult prolapse</p> Signup and view all the answers

    In which type of rectal prolapse does protrusion occur through the anus for a variable distance?

    <p>Third-degree complete prolapse</p> Signup and view all the answers

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