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Questions and Answers
What is the primary function of parietal cells in the stomach?
Which clinical condition is characterized by low basal acid output and a positive response to pentagastrin stimulation?
Which substance is most commonly utilized as a marker to evaluate gastric emptying?
What is NOT a function associated with parietal cells?
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Which condition involves increased acid secretion typically leading to ulcers?
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Study Notes
Parietal Cells Role
- Parietal cells are responsible for secreting hydrochloric acid (HCl), a key component of gastric juice.
Gastric Analysis and Conditions
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Low basal acid output with positive pentagastrin stimulation suggests Achlorhydria.
- Achlorhydria is the absence of hydrochloric acid in gastric juice.
- Pentagastrin is a synthetic gastrin analog that stimulates gastric acid secretion.
- A positive response to pentagastrin stimulation indicates that the parietal cells are still functional.
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Chromium-51 is a common marker used to assess gastric emptying.
- This is a radioactive isotope that is added to a meal and its passage through the stomach is tracked.
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Description
Test your knowledge on the role of parietal cells and gastric acid secretion in the digestive system. This quiz covers topics such as achlorhydria, pentagastrin stimulation, and the use of chromium-51 in gastric analysis. Perfect for students studying gastrointestinal physiology.
