gastrin stimulates the secretions of pepsinogens and hydrochloric acid excess amounts would lead to erosion of the stomach lining
there is the pyloric sphincter at thebase of stomach therefore
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BIOD 151 Module 3 Exam 2020 - Portage Learning
M3: Exam- Requires Respondus Lock DownBrowser
Question 1
pts
Explain why someone who has hypergastrinemia (excessive secretion of gastrin) might
develop gastric/stomach ulcers.
Your Answer:
Gastrin stimulates the secretaion of pepsinogenes and HCL. If it is excess amounr that
means it would be lead to erosion of the stomach.
Gastrin stimulates the secretions of pepsinogens and hydrochloric acid.
Excessamounts would lead to erosion of the stomach lining.
Question 2
pts
Explain in detail how the stomach contents enter the small intestine.
Your Answer:
There is the pyloric sphincter at thebase of stomach. Therefore, this valve relaxes
causing a small quantity of chyme to pass the opening into the first part of small
intestine. And then, this initiates a reflex. That is why the muscles of the sphincter to
contrcat and close the openinf temporarily. After sphincter relaxes again and it allows
more chyme to enter.
The pyloric sphincter (valve), located at the base of the stomach, relaxes
causinga small quantity of chyme to pass through the opening into the first
part of the small intestine.
This initiates a reflex that causes the muscles of the sphincter to contract
and close the opening temporarily. Then the sphincter relaxes again and
allows morechyme to enter.
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