71 Questions
What is the primary mechanism of action of histamine H2 receptor antagonist drugs?
Reducing acid secretion in the stomach
What is a common side effect of proton pump inhibitor drugs?
Increased risk of osteoporosis
What is the main action of antidiarrheal drugs like loperamide?
Slowing intestinal motility
What is a common feature of irritable bowel syndrome (IBS)?
Abdominal pain relieved by bowel movements
What is the primary mechanism of action of laxative drugs like bisacodyl?
Stimulating the muscles in the intestines
What is the main action of antacid drugs like calcium carbonate?
Neutralizing excess acid in the stomach
What is the primary mechanism of action of prostaglandin drugs?
Stimulating the contraction of smooth muscle
What is a common feature of peptic ulcer disease?
Abdominal pain relieved by antacids
What is the main action of scopolamine?
Reducing the production of saliva
What type of drugs are used to reduce acidity?
Histamine H2 receptor antagonists
Which drugs are first line treatment for peptic ulcers?
Proton pump inhibitors
What inhibits proton release from parietal cells?
Proton pump inhibitors
What is the mechanism of action of atropine?
Inhibiting the release of acetylcholine
What is the mechanism of action of bismuth subsalicylate?
Protecting the mucosal lining
What type of inhibition is not practical for treating GERD/PUD?
Irreversible inhibition
Which neurochemical mechanisms can treat nausea and vomiting?
Dopamine antagonism
What stimulates proton release from parietal cells?
Histamine
Which drugs are antiemetics?
Ondansetron and metoclopramide
What is the cornerstone therapy for H.pylori associated peptic ulcer disease?
Bismuth subsalicylate
What is the mechanism of action of lubiprostone?
Stimulating chloride channels in the intestine
What type of drugs are used to treat inflammatory bowel disease?
Aminosalicylates
What is the mechanism of action of methylcellulose?
Absorbing water in the intestine
What is the mechanism of action of ondansetron?
Blocking serotonin receptors
What produces gastrin?
G cells
What releases histamine that stimulates parietal cells?
Enterochromaffin cells
What is the mechanism of action of dimenhydrinate?
Blocking dopamine receptors
What is used to treat irritable bowel syndrome?
Lubiprostone
What is the main purpose of proton pump inhibitors?
To reduce the production of stomach acid
What is the primary mechanism of action of dexlansoprazole?
It reduces the production of stomach acid
What is the main action of cimetidine?
It blocks the action of histamine on the stomach
What is the primary mechanism of action of bismuth subsalicylate?
It coats the stomach lining, protecting it from acid
What is the main purpose of antacid drugs like calcium carbonate?
To neutralize stomach acid
What is the primary mechanism of action of scopolamine?
It controls the vomiting center in the brain stem
What is the main action of laxative drugs like bisacodyl?
To stimulate the muscles in the intestines to move stool
What is the primary mechanism of action of ondansetron?
It controls the vomiting center in the brain stem
What is the main action of antidiarrheal drugs like loperamide?
To reduce the frequency of bowel movements
What is the main action of histamine H2 receptor antagonist drugs?
Reduce acid production
What causes gastric hyperacidity?
Overstimulation of parietal cells
What is the primary mechanism of action of antacid drugs like calcium carbonate?
Neutralize stomach acid
What is the main purpose of proton pump inhibitors?
Reduce acid production
What is the mechanism of action of atropine?
Inhibit salivary gland function
What type of drugs are used to treat inflammatory bowel disease?
Aminosalicylates
What stimulates proton release from parietal cells?
Histamine
What is the main action of laxative drugs like bisacodyl?
Stimulate bowel movement
What controls the vomiting center in the brain stem?
Scopolamine
What type of drugs are used to treat inflammatory bowel disease?
Aminosalicylates
What is the mechanism of action of lubiprostone?
Increasing the release of chloride ions
What releases histamine that stimulates parietal cells?
Enterochromaffin-like cells
What is the cornerstone therapy for H. pylori-associated PUD?
Triple therapy
What is the mechanism of action of dimenhydrinate?
Antagonizing the action of acetylcholine
What produces gastrin?
G cells
What is the mechanism of action of proton pump inhibitors?
Inhibiting the proton pump in parietal cells
What type of drugs are used to enhance mucosal defense?
Mucoprotective agents
What stimulates proton release from parietal cells?
All of the above
What type of drugs are used to reduce acidity?
Histamine H2 receptor antagonists
What is the mechanism of action of bisacodyl?
Stimulates the release of prostaglandins
What is the mechanism of action of loperamide?
Increases the absorption of water and electrolytes
What inhibits proton release from parietal cells?
Proton pump inhibitors
What is the cornerstone therapy for H. pylori-associated PUD?
Bismuth subsalicylate
What is the mechanism of action of ondansetron?
Blocks the action of serotonin on the vomiting center
What is the primary mechanism of action of proton pump inhibitors?
Reducing gastric acid secretion by blocking the hydrogen/potassium ATPase enzyme system
What type of drugs are used to treat inflammatory bowel disease?
Aminosalicylates
What releases histamine that stimulates parietal cells?
ECL cells
What is the main action of histamine H2 receptor antagonist drugs?
Reducing gastric acid secretion by blocking histamine receptors
What is the primary mechanism of action of laxative drugs like bisacodyl?
Increasing intestinal motility and secretions
What is a common feature of peptic ulcer disease?
Increased stomach acid production
What is the main action of antacid drugs like calcium carbonate?
Neutralizing stomach acid
What is the primary mechanism of action of scopolamine?
Reducing the release of acetylcholine from the vagus nerve
What is the main action of antidiarrheal drugs like loperamide?
Decreasing gut motility and secretions
What is the primary mechanism of action of ondansetron?
Blocking the action of serotonin on the gut
What is the main purpose of proton pump inhibitors in treating GERD/PUD?
Reducing gastric acid secretion
This quiz covers the effects of NSAIDs on stomach diseases, adverse effects of various medications, and dental considerations for patients with GERD/PUD. It also explores the uses and contraindications of different medications.
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