BIOS256: Edapt Week 1 Questions With Correct Answers
digestion begins in the CORRECT ANSWER mouth
ingestion CORRECT ANSWER - the selective intake of food
secretion CORRECT ANSWER - the introduction of enzymes and other glandular products
motility CORRECT ANSWER - the movement of food and mixing it with secretions
digestion CORRECT ANSWER - the mechanical and chemical breakdown of food into a usable form
absorption CORRECT ANSWER - the uptake of nutrient molecules and water into the cells of the digestive tract and ultimately into the blood or lymph
compaction/defecation CORRECT ANSWER - the consolidation of indigestible residue and its elimination in the form of feces
muscularis externa CORRECT ANSWER - the layer of the GI tract containing two bands of smooth muscle submucosa CORRECT ANSWER - the layer of the GI tract that is composed of blood and lymphatic vessels, as well as nerves
mucosa CORRECT ANSWER - the epithelial lining of the GI tract
serosa CORRECT ANSWER - the outermost layer of the GI tract
segmentation CORRECT ANSWER - the muscle movement that ultimately increases surface area of nutrients in the small intestine
- movements within the small intestine to slow the movement of its contents
mass movement CORRECT ANSWER - a strong peristalsis that only occurs in the large intestine
- powerful contractions that propels material forward
haustral churning CORRECT ANSWER - the type of segmentation that occurs in the large intestine
- slow segmental movements in large intestine
peristalsis CORRECT ANSWER - the type of movement which results in the propulsion of nutrients through the GI tract
- weak, ripple-like
place the following steps of digestion in correct order that they occur
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 Classroom. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $11.49. You're not tied to anything after your purchase.