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Questions and Answers

What is the primary mechanism of action of histamine H2 receptor antagonist drugs?

  • Reducing acid secretion in the stomach (correct)
  • Increasing production of digestive enzymes
  • Increasing motility in the intestines
  • Reducing inflammation in the stomach lining

    • What is a common side effect of proton pump inhibitor drugs?

  • Headache
  • Diarrhea
  • Increased risk of osteoporosis (correct)
  • Constipation

    • What is the main action of antidiarrheal drugs like loperamide?

  • Increasing the absorption of water and electrolytes
  • Reducing the production of stomach acid
  • Slowing intestinal motility (correct)
  • Inhibiting the secretion of chloride ions

    • What is a common feature of irritable bowel syndrome (IBS)?

    <p>Abdominal pain relieved by bowel movements</p> Signup and view all the answers

    What is the primary mechanism of action of laxative drugs like bisacodyl?

    <p>Stimulating the muscles in the intestines</p> Signup and view all the answers

    What is the main action of antacid drugs like calcium carbonate?

    <p>Neutralizing excess acid in the stomach</p> Signup and view all the answers

    What is the primary mechanism of action of prostaglandin drugs?

    <p>Stimulating the contraction of smooth muscle</p> Signup and view all the answers

    What is a common feature of peptic ulcer disease?

    <p>Abdominal pain relieved by antacids</p> Signup and view all the answers

    What is the main action of scopolamine?

    <p>Reducing the production of saliva</p> Signup and view all the answers

    What type of drugs are used to reduce acidity?

    <p>Histamine H2 receptor antagonists</p> Signup and view all the answers

    Which drugs are first line treatment for peptic ulcers?

    <p>Proton pump inhibitors</p> Signup and view all the answers

    What inhibits proton release from parietal cells?

    <p>Proton pump inhibitors</p> Signup and view all the answers

    What is the mechanism of action of atropine?

    <p>Inhibiting the release of acetylcholine</p> Signup and view all the answers

    What is the mechanism of action of bismuth subsalicylate?

    <p>Protecting the mucosal lining</p> Signup and view all the answers

    What type of inhibition is not practical for treating GERD/PUD?

    <p>Irreversible inhibition</p> Signup and view all the answers

    Which neurochemical mechanisms can treat nausea and vomiting?

    <p>Dopamine antagonism</p> Signup and view all the answers

    What stimulates proton release from parietal cells?

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

    Which drugs are antiemetics?

    <p>Ondansetron and metoclopramide</p> Signup and view all the answers

    What is the cornerstone therapy for H.pylori associated peptic ulcer disease?

    <p>Bismuth subsalicylate</p> Signup and view all the answers

    What is the mechanism of action of lubiprostone?

    <p>Stimulating chloride channels in the intestine</p> Signup and view all the answers

    What type of drugs are used to treat inflammatory bowel disease?

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

    What is the mechanism of action of methylcellulose?

    <p>Absorbing water in the intestine</p> Signup and view all the answers

    What is the mechanism of action of ondansetron?

    <p>Blocking serotonin receptors</p> Signup and view all the answers

    What produces gastrin?

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

    What releases histamine that stimulates parietal cells?

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

    What is the mechanism of action of dimenhydrinate?

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

    What is used to treat irritable bowel syndrome?

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

    What is the main purpose of proton pump inhibitors?

    <p>To reduce the production of stomach acid</p> Signup and view all the answers

    What is the primary mechanism of action of dexlansoprazole?

    <p>It reduces the production of stomach acid</p> Signup and view all the answers

    What is the main action of cimetidine?

    <p>It blocks the action of histamine on the stomach</p> Signup and view all the answers

    What is the primary mechanism of action of bismuth subsalicylate?

    <p>It coats the stomach lining, protecting it from acid</p> Signup and view all the answers

    What is the main purpose of antacid drugs like calcium carbonate?

    <p>To neutralize stomach acid</p> Signup and view all the answers

    What is the primary mechanism of action of scopolamine?

    <p>It controls the vomiting center in the brain stem</p> Signup and view all the answers

    What is the main action of laxative drugs like bisacodyl?

    <p>To stimulate the muscles in the intestines to move stool</p> Signup and view all the answers

    What is the primary mechanism of action of ondansetron?

    <p>It controls the vomiting center in the brain stem</p> Signup and view all the answers

    What is the main action of antidiarrheal drugs like loperamide?

    <p>To reduce the frequency of bowel movements</p> Signup and view all the answers

    What is the main action of histamine H2 receptor antagonist drugs?

    <p>Reduce acid production</p> Signup and view all the answers

    What causes gastric hyperacidity?

    <p>Overstimulation of parietal cells</p> Signup and view all the answers

    What is the primary mechanism of action of antacid drugs like calcium carbonate?

    <p>Neutralize stomach acid</p> Signup and view all the answers

    What is the main purpose of proton pump inhibitors?

    <p>Reduce acid production</p> Signup and view all the answers

    What is the mechanism of action of atropine?

    <p>Inhibit salivary gland function</p> Signup and view all the answers

    What type of drugs are used to treat inflammatory bowel disease?

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

    What stimulates proton release from parietal cells?

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

    What is the main action of laxative drugs like bisacodyl?

    <p>Stimulate bowel movement</p> Signup and view all the answers

    What controls the vomiting center in the brain stem?

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

    What type of drugs are used to treat inflammatory bowel disease?

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

    What is the mechanism of action of lubiprostone?

    <p>Increasing the release of chloride ions</p> Signup and view all the answers

    What releases histamine that stimulates parietal cells?

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

    What is the cornerstone therapy for H. pylori-associated PUD?

    <p>Triple therapy</p> Signup and view all the answers

    What is the mechanism of action of dimenhydrinate?

    <p>Antagonizing the action of acetylcholine</p> Signup and view all the answers

    What produces gastrin?

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

    What is the mechanism of action of proton pump inhibitors?

    <p>Inhibiting the proton pump in parietal cells</p> Signup and view all the answers

    What type of drugs are used to enhance mucosal defense?

    <p>Mucoprotective agents</p> Signup and view all the answers

    What stimulates proton release from parietal cells?

    <p>All of the above</p> Signup and view all the answers

    What type of drugs are used to reduce acidity?

    <p>Histamine H2 receptor antagonists</p> Signup and view all the answers

    What is the mechanism of action of bisacodyl?

    <p>Stimulates the release of prostaglandins</p> Signup and view all the answers

    What is the mechanism of action of loperamide?

    <p>Increases the absorption of water and electrolytes</p> Signup and view all the answers

    What inhibits proton release from parietal cells?

    <p>Proton pump inhibitors</p> Signup and view all the answers

    What is the cornerstone therapy for H. pylori-associated PUD?

    <p>Bismuth subsalicylate</p> Signup and view all the answers

    What is the mechanism of action of ondansetron?

    <p>Blocks the action of serotonin on the vomiting center</p> Signup and view all the answers

    What is the primary mechanism of action of proton pump inhibitors?

    <p>Reducing gastric acid secretion by blocking the hydrogen/potassium ATPase enzyme system</p> Signup and view all the answers

    What type of drugs are used to treat inflammatory bowel disease?

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

    What releases histamine that stimulates parietal cells?

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

    What is the main action of histamine H2 receptor antagonist drugs?

    <p>Reducing gastric acid secretion by blocking histamine receptors</p> Signup and view all the answers

    What is the primary mechanism of action of laxative drugs like bisacodyl?

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

    What is a common feature of peptic ulcer disease?

    <p>Increased stomach acid production</p> Signup and view all the answers

    What is the main action of antacid drugs like calcium carbonate?

    <p>Neutralizing stomach acid</p> Signup and view all the answers

    What is the primary mechanism of action of scopolamine?

    <p>Reducing the release of acetylcholine from the vagus nerve</p> Signup and view all the answers

    What is the main action of antidiarrheal drugs like loperamide?

    <p>Decreasing gut motility and secretions</p> Signup and view all the answers

    What is the primary mechanism of action of ondansetron?

    <p>Blocking the action of serotonin on the gut</p> Signup and view all the answers

    What is the main purpose of proton pump inhibitors in treating GERD/PUD?

    <p>Reducing gastric acid secretion</p> Signup and view all the answers

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