Question 1

5 / 5 pts

Question 2

5 / 5 pts

BIOD 151 Module 3 Exam 2020 - Portage Learning

M3: Exam- Requires Respondus Lock DownBrowser

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.

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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Question 3

10 / 10 pts

Look carefully at the diagram below. Label the following 5 organs of the digestive

system.

To receive credit for the intestines you must label the specific region.

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3:

4:

7:

9:

10:

Your Answer:

3: Stomach

4: Gallbladder

7: Jejenum

9: Appendix

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