Symptoms and Mechanisms of Gastrointestinal Diseases Quiz
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Symptoms and Mechanisms of Gastrointestinal Diseases Quiz

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@ImpressiveOgre

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Questions and Answers

What is the main function of the gastrointestinal tract?

  • Synthesis of enzymes
  • Synthesis of antibodies
  • Synthesis of hormones (correct)
  • Synthesis of neurotransmitters

    • In the context of gastrointestinal symptoms, what do 'Alarm' symptoms indicate?

  • Symptoms that suggest psychological issues
  • Symptoms associated with non-organic consultations
  • Symptoms that are mild and can be ignored
  • Symptoms that may signify significant gastrointestinal pathology (correct)

    • What is stomatitis?

  • Inflammation in the lungs
  • Inflammation of the liver
  • Inflammation of the skin
  • Inflammation in the mouth (correct)

    • Why is recognizing organic diseases important among gastrointestinal symptoms?

    <p>To distinguish them from non-organic symptoms</p> Signup and view all the answers

    What is the role of the enteric nervous system in the gastrointestinal tract?

    <p>Controlling gut function and communicating with the nervous systems</p> Signup and view all the answers

    Why are malnutrition, viral and bacterial infections, and parasitic infestations significant in developing countries concerning gastrointestinal diseases?

    <p>They further exacerbate the gastrointestinal disease picture</p> Signup and view all the answers

    What is the primary diagnostic modality for high-grade bowel obstruction?

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

    Which imaging technique is sensitive for small amounts of gas from a perforated viscus?

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

    When should kidney function be assessed before using intravenous contrast in imaging studies?

    <p>Before a CT with contrast</p> Signup and view all the answers

    Which imaging modality provides an alternative to colonoscopy for diagnosing colon mass lesions?

    <p>CT colonography</p> Signup and view all the answers

    What type of endoscopic procedure involves a gastroscope with an ultrasound probe at the tip?

    <p>Endoscopic ultrasound (EUS)</p> Signup and view all the answers

    Which imaging technique is widely used for cancer staging and guiding biopsies of tumors or lymph nodes?

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

    What type of diarrhea is characterized by mucosal invasion and presence of fecal leukocytes?

    <p>Inflammatory bloody diarrhea</p> Signup and view all the answers

    Which of the following viruses can cause acute diarrhea without mucosal invasion and presence of fecal leukocytes?

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

    What is a common cause of acute diarrhea that leads to mortality, especially in children in developing countries?

    <p>Bacterial infections</p> Signup and view all the answers

    Which parasite infection is associated with inflammatory bloody diarrhea?

    <p>Entamoeba histolytica</p> Signup and view all the answers

    How can death due to acute diarrhea with fluid and electrolyte depletion be prevented?

    <p>Fluid repletion by oral or intravenous routes</p> Signup and view all the answers

    What distinguishes toxin-induced food poisoning from other causes of acute diarrhea?

    <p>Mucosal invasion absent</p> Signup and view all the answers

    What is the characteristic feature of the fever in the disease described?

    <p>Undulating fever with bouts every 3-4 weeks</p> Signup and view all the answers

    How is the disease primarily transmitted to humans?

    <p>Direct contact through skin abrasions with infected animals</p> Signup and view all the answers

    Which method is considered the method of choice for laboratory diagnosis early in the disease?

    <p>Blood culture</p> Signup and view all the answers

    How is Brucella differentiated from Salmonella in culture?

    <p>By urease test</p> Signup and view all the answers

    Which type of antibodies are differentiated using ELISA in the serological diagnosis of the disease?

    <p>IgM and IgG antibodies</p> Signup and view all the answers

    What type of test is the Brucellin test based on?

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

    What causes impaired micelle formation in the small intestine due to bacterial overgrowth?

    <p>Deconjugation of bile salts by cholylamidases</p> Signup and view all the answers

    What distinguishes bacterial overgrowth from tropical sprue regarding serum vitamin levels?

    <p>Low serum vitamin B12 levels but normal or high folate levels</p> Signup and view all the answers

    What is a structural cause that can lead to bacterial overgrowth in the small intestine?

    <p>Surgical Ileocecal valve resection</p> Signup and view all the answers

    How does bacterial overgrowth affect the absorption of fats and fat-soluble vitamins?

    <p>Causes malabsorption due to decreased bile salt concentration</p> Signup and view all the answers

    Which condition results in the degradation of brush-border disaccharidases due to bacterial overgrowth?

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

    How can hypochlorhydria contribute to bacterial overgrowth?

    <p>Promoting anaerobic bacterial growth</p> Signup and view all the answers

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