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Questions and Answers
What stimulates acid secretion from the proton pump on the canalicular surface of parietal cells?
What stimulates acid secretion from the proton pump on the canalicular surface of parietal cells?
- Increase in cytosolic calcium due to acetylcholine or gastrin binding (correct)
- Release of histamine by ECL cells
- Inhibition of protein kinases
- Decrease in cytosolic calcium due to acetylcholine or gastrin binding
Which factor is recognized as a causative factor for acid-peptic diseases?
Which factor is recognized as a causative factor for acid-peptic diseases?
- Consumption of spicy food
- Infection with gram-negative Helicobacter pylori (correct)
- Excessive intake of vitamin C
- Consumption of high-fiber diet
What is the main source for histamine release in the gastrointestinal tract?
What is the main source for histamine release in the gastrointestinal tract?
- Chief cells
- Parietal cells
- Goblet cells
- Enterochromaffin-like (ECL) cells (correct)
Which approach is used in the treatment of acid-peptic diseases to eradicate H. pylori infection?
Which approach is used in the treatment of acid-peptic diseases to eradicate H. pylori infection?
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What do parietal cells contain receptors for?
What do parietal cells contain receptors for?
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