Gastrointestinal Pharmacology: Inflammatory Bowel Disease
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Questions and Answers

What is the primary characteristic that distinguishes Crohn's disease from ulcerative colitis?

  • Bloody diarrhea
  • Patchy transmural inflammation (correct)
  • Diffuse mucosal inflammation
  • Abdominal pain

    • What is the primary goal of treatment in inflammatory bowel disease?

  • Combination therapy
  • Prolonging remission
  • Surgical intervention
  • Resolving acute episodes (correct)

    • Which thiopurine is used to treat active and chronic symptoms of inflammatory bowel disease?

  • Infliximab
  • Corticosteroids
  • Aminosalicylates
  • Methotrexate (correct)

    • What is the primary mechanism of action of corticosteroids in inflammatory bowel disease?

    <p>Inhibition of inflammatory pathways</p> Signup and view all the answers

    What is the name of the antibody infusion used to treat active and chronic symptoms of inflammatory bowel disease?

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

    What is the potential benefit of using aminosalicylates in inflammatory bowel disease?

    <p>Reducing the risk of colorectal cancer</p> Signup and view all the answers

    What is the primary mechanism of action of loperamide in treating diarrhea?

    <p>Stimulating opioid receptors in the bowel</p> Signup and view all the answers

    What is the primary cause of antibiotic-associated diarrhea and colitis?

    <p>Clostridium difficile</p> Signup and view all the answers

    What is the primary action of simethicone in treating flatulence?

    <p>Altering the elasticity of mucus-coated bubbles</p> Signup and view all the answers

    What is the primary mechanism of action of Azathioprine and mercaptopurine?

    <p>Inhibition of ribonucleotide synthesis</p> Signup and view all the answers

    What is the primary site of action of antiemetics such as scopolamine?

    <p>Area postrema</p> Signup and view all the answers

    Which immunosuppressant is metabolized to mercaptopurine and 6-thioguanine nucleotides?

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

    What is the primary mechanism of action of metoclopramide in treating nausea and vomiting?

    <p>Antagonizing dopamine D2 receptors</p> Signup and view all the answers

    What is the primary use of ondansetron in treating nausea and vomiting?

    <p>Chemotherapy-induced nausea and vomiting</p> Signup and view all the answers

    What is the primary mechanism of action of Methotrexate?

    <p>Inhibition of dihydrofolate reductase</p> Signup and view all the answers

    What is the primary mechanism of action of Cyclosporin?

    <p>Inhibition of T cell activation</p> Signup and view all the answers

    What is the primary action of diphenoxylate in treating diarrhea?

    <p>Slowing intestinal contractions</p> Signup and view all the answers

    What is the primary contraindication for the use of metoclopramide?

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

    What is the primary mechanism of action of Infliximab?

    <p>Neutralization of TNF-α</p> Signup and view all the answers

    What is the primary effect of osmotic laxatives?

    <p>Draw fluid into the bowel by osmotic force</p> Signup and view all the answers

    What is the primary mechanism of action of phenothiazines in treating nausea and vomiting?

    <p>Histamine H1 receptor antagonism</p> Signup and view all the answers

    What is the primary effect of bulk agents?

    <p>Increase bowel content and volume</p> Signup and view all the answers

    What is the primary use of meclizine in treating nausea and vomiting?

    <p>Motion sickness</p> Signup and view all the answers

    What is the primary effect of stimulant laxatives?

    <p>Increase intestinal motility</p> Signup and view all the answers

    What is the primary complication of laxative abuse?

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

    What is the primary mechanism of action of Lubiprostone?

    <p>Stimulation of chloride channels</p> Signup and view all the answers

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