1
BIOD 151 Module 3 Final Exam Study Guide |
Comprehensive Biology Review Notes & Practice
Questions 2026
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. Excess
amounts 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 causing
a small quantity of chyme to pass through the opening into the first part of the
small intestine.
pg. 1
,2
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 more
chyme to enter.
Question 3
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.
3:
4:
7:
9:
10:
pg. 2
, 3
Your
Answer:
3:
Stomach
4: Gallbladder
7: Jejenum
9: Appendix
10: Rectum
3: Stomach
pg. 3
BIOD 151 Module 3 Final Exam Study Guide |
Comprehensive Biology Review Notes & Practice
Questions 2026
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. Excess
amounts 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 causing
a small quantity of chyme to pass through the opening into the first part of the
small intestine.
pg. 1
,2
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 more
chyme to enter.
Question 3
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.
3:
4:
7:
9:
10:
pg. 2
, 3
Your
Answer:
3:
Stomach
4: Gallbladder
7: Jejenum
9: Appendix
10: Rectum
3: Stomach
pg. 3
