35 Small Bowel ANATOMY AND PHYSIOLOGY
47 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary nutrient for the small bowel?

  • Fructose
  • Sucrose
  • Glutamine (correct)
  • Glucose
  • In which portion of the small intestine is 90% of ulcers located?

  • Transverse (3rd portion)
  • Descending (2nd portion)
  • Bulb (1st portion) (correct)
  • Ascending (4th portion)
  • Where does the maximum absorption of B12 occur in the small intestine?

  • Descending portion
  • Jejunum
  • Ileum (correct)
  • Duodenum
  • Which artery eventually branches into the ileocolic artery?

    <p>Superior mesenteric artery</p> Signup and view all the answers

    What is the length of the jejunum in centimeters?

    <p>100 cm</p> Signup and view all the answers

    Where do the descending and transverse portions of the small intestine lie?

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

    What is the most common cause of death in patients with pseudomyxoma peritonei?

    <p>Small bowel obstruction</p> Signup and view all the answers

    In the context of presumed appendicitis, what condition would still warrant an appendectomy to prevent future confounding diagnosis?

    <p>Regional enteritis not involving the cecum</p> Signup and view all the answers

    What distinguishes ileus from obstruction?

    <p>Presence of bowel decompression distal to the obstruction</p> Signup and view all the answers

    What is the recommended treatment for typhoid enteritis caused by Salmonella in children?

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

    What is the characteristic rash associated with typhoid enteritis in children?

    <p>Maculopapular rash</p> Signup and view all the answers

    What is the potential consequence of a mucocele if it is malignant?

    <p>Pseudomyxoma peritonei</p> Signup and view all the answers

    Which cell type releases 5-hydroxytryptamine and acts as a carcinoid precursor?

    <p>Enterochromaffin cells</p> Signup and view all the answers

    What is the most important hormone in the migrating motor complex?

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

    Which gland produces an alkaline solution?

    <p>Brunner’s glands</p> Signup and view all the answers

    What is the primary cause of gallstones after terminal ileum resection?

    <p>Malabsorption of bile salts</p> Signup and view all the answers

    Which test checks for B12 absorption?

    <p>Schilling test</p> Signup and view all the answers

    What is the mnemonic for nonhealing fistula causes?

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

    What is the most common cause of small bowel obstruction in patients with previous surgery?

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

    Which symptom is typically associated with proximal small bowel (open loop) obstruction?

    <p>Continuous vomiting of large volumes</p> Signup and view all the answers

    What is the classic location for gallstone ileus?

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

    What is the primary cause of high-output fistulas?

    <p>Proximal bowel (duodenum or proximal jejunum)</p> Signup and view all the answers

    What is the primary surgical indication for small bowel obstruction?

    <p>+Progressing pain and peritoneal signs</p> Signup and view all the answers

    What is the primary infectious cause to check for in patients with persistent fever or sepsis due to nonhealing fistulas?

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

    What is the most common type of tissue found in Meckel's diverticulum that can cause diverticulitis?

    <p>Gastric mucosa</p> Signup and view all the answers

    What is the most common presentation of Meckel's diverticulum in adults?

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

    Which type of diverticulum is caused by the failure of closure of the omphalomesenteric duct?

    <p>Meckel's diverticulum</p> Signup and view all the answers

    What is the recommended treatment for uncomplicated diverticulitis or bleeding in Meckel's diverticulum?

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

    In which population is there an increased incidence of Crohn's disease?

    <p>Ashkenazi Jewish population</p> Signup and view all the answers

    What is the most common extra-intestinal manifestation of Crohn's disease?

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

    What is the medical treatment option for acute flares of Crohn's disease if infection or toxic megacolon/colitis is a concern?

    <p>Cipro and Flagyl</p> Signup and view all the answers

    What is the surgical procedure of choice for diffuse severe disease of the colon in Crohn's disease?

    <p>Proctocolectomy and ileostomy</p> Signup and view all the answers

    What is the incidence of recurrence requiring surgery for Crohn’s disease after resection?

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

    What is the most common type of tissue found in Meckel's diverticulum that can cause obstructive symptoms?

    <p>Pancreas tissue</p> Signup and view all the answers

    What is the most common presentation of Meckel's diverticulum in children under 2 years old?

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

    Which of the following is the most common site for carcinoid tumor?

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

    What is the recommended treatment for a carcinoid in the appendix that is less than 2 cm?

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

    Which syndrome is associated with small bowel carcinoid and indicates an increased risk for multiple primaries and second unrelated malignancies?

    <p>Peutz–Jeghers syndrome</p> Signup and view all the answers

    What is the highest sensitivity test for detecting a carcinoid tumor?

    <p>Chromogranin A level</p> Signup and view all the answers

    Which type of tumor is most common in the duodenum and may present with symptoms of obstruction and jaundice?

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

    Which condition is the most common cause of intussusception in adults and can lead to obstruction?

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

    What is the most common presentation of appendicitis in adults?

    <p>Anorexia followed by abdominal pain (periumbilical)</p> Signup and view all the answers

    What is the most common cause of appendicitis in children?

    <p>Lymphoid hyperplasia</p> Signup and view all the answers

    What is the primary cause of stenosis of a stoma?

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

    Which condition would still warrant an appendectomy to prevent future confounding diagnosis despite a walled-off perforated appendix seen on CT scan?

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

    Which test would be necessary for women with suspected appendicitis to rule out OB/GYN causes of abdominal pain?

    <p>Beta-HCG test</p> Signup and view all the answers

    What is the primary cause of high-output fistulas near a stoma site?

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

    More Like This

    Meckel Diverticulum
    10 questions
    Meckel's Diverticulum Overview
    82 questions

    Meckel's Diverticulum Overview

    EventfulTransformation avatar
    EventfulTransformation
    Use Quizgecko on...
    Browser
    Browser