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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 (D)</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 (B)</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 (B)</p> Signup and view all the answers

What is the primary mechanism of action of prostaglandin drugs?

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

What is a common feature of peptic ulcer disease?

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

What is the main action of scopolamine?

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

What type of drugs are used to reduce acidity?

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

Which drugs are first line treatment for peptic ulcers?

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

What inhibits proton release from parietal cells?

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

What is the mechanism of action of atropine?

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

What is the mechanism of action of bismuth subsalicylate?

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

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

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

Which neurochemical mechanisms can treat nausea and vomiting?

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

What stimulates proton release from parietal cells?

<p>Histamine (C)</p> Signup and view all the answers

Which drugs are antiemetics?

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

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

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

What is the mechanism of action of lubiprostone?

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

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

<p>Aminosalicylates (A)</p> Signup and view all the answers

What is the mechanism of action of methylcellulose?

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

What is the mechanism of action of ondansetron?

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

What produces gastrin?

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

What releases histamine that stimulates parietal cells?

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

What is the mechanism of action of dimenhydrinate?

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

What is used to treat irritable bowel syndrome?

<p>Lubiprostone (A)</p> Signup and view all the answers

What is the main purpose of proton pump inhibitors?

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

What is the primary mechanism of action of dexlansoprazole?

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

What is the main action of cimetidine?

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

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

<p>To neutralize stomach acid (A)</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 (C)</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 (D)</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 (C)</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 (A)</p> Signup and view all the answers

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

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

What causes gastric hyperacidity?

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

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

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

What is the main purpose of proton pump inhibitors?

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

What is the mechanism of action of atropine?

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

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

<p>Aminosalicylates (A)</p> Signup and view all the answers

What stimulates proton release from parietal cells?

<p>Histamine (A)</p> Signup and view all the answers

What is the main action of laxative drugs like bisacodyl?

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

What controls the vomiting center in the brain stem?

<p>Scopolamine (C)</p> Signup and view all the answers

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

<p>Aminosalicylates (C)</p> Signup and view all the answers

What is the mechanism of action of lubiprostone?

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

What releases histamine that stimulates parietal cells?

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

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

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

What is the mechanism of action of dimenhydrinate?

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

What produces gastrin?

<p>G cells (B)</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 (D)</p> Signup and view all the answers

What type of drugs are used to enhance mucosal defense?

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

What stimulates proton release from parietal cells?

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

What type of drugs are used to reduce acidity?

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

What is the mechanism of action of bisacodyl?

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

What is the mechanism of action of loperamide?

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

What inhibits proton release from parietal cells?

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

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

<p>Bismuth subsalicylate (C)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Aminosalicylates (D)</p> Signup and view all the answers

What releases histamine that stimulates parietal cells?

<p>ECL cells (C)</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 (B)</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 (A)</p> Signup and view all the answers

What is a common feature of peptic ulcer disease?

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

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

<p>Neutralizing stomach acid (A)</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 (C)</p> Signup and view all the answers

What is the main action of antidiarrheal drugs like loperamide?

<p>Decreasing gut motility and secretions (D)</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 (B)</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 (C)</p> Signup and view all the answers

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