M3: Exam- Requires Respondus LockDown Browser 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.
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: ___________ Your Answer:
3: Stomach
4: Gallbladder
7: Jejenum
9: Appendix
10: Rectum
3: Stomach
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Bestn. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.