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Questions and Answers
What is the daily volume of gastric secretion?
What is the daily volume of gastric secretion?
- 3000 ml
- 2000 ml (correct)
- 1000 ml
- 4000 ml
Which component of the stomach is responsible for iron absorption?
Which component of the stomach is responsible for iron absorption?
- ECL
- Pepsinogen
- PH 0.8
- Intrinsic factor (correct)
What is the most potent stimulus for acid secretion by the parietal cells?
What is the most potent stimulus for acid secretion by the parietal cells?
- Regulation by feedback PH
- Stimulation by gastric secretion and HCL (correct)
- Stimulation by ECL and G cell
- Stimulation by chief cell (pepsinogen)
What is the cause of abnormal gastric residuum volume exceeding 100-120 ml?
What is the cause of abnormal gastric residuum volume exceeding 100-120 ml?
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Which factor can be examined using a stomach tube during a gastric function test?
Which factor can be examined using a stomach tube during a gastric function test?
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Study Notes
Gastric Secretion and Function
- The daily volume of gastric secretion is approximately 2-3 liters.
- The mucosa of the body of the stomach is responsible for iron absorption.
- The most potent stimulus for acid secretion by the parietal cells is histamine.
- A gastric residuum volume exceeding 100-120 ml can be caused by gastroparesis or pyloric obstruction.
- During a gastric function test, the pH of the gastric juice can be examined using a stomach tube.
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