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18 Feb 2020

Name the hormones released by the duodenum in response to acids and lipids in the duodenum.

 

 

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Lelia Lubowitz
Lelia LubowitzLv2
18 Feb 2020
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Question 1.1. (TCO 4) The layer of the GItract wall containing a large number of blood and lymphatic vesselsthat receive absorbed food molecules is called the(Points : 2)
muscularis mucosa.
mucosa.
submucosa.
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Question 2.2. (TCO 4) The intestinal hormonethat induces a feeling of satiety (full to satisfaction) is (Points: 2)
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is released in responseto lipids entering the duodenum.
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stimulates all of theabove effects.
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pyloric region of thestomach.
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I know that the pancreas secretesprocarboxypeptidase, chymotrypsinogen, andtrypsinogen that help break down proteins in the small intestineand that these in essence break down larger proteins into di- andtri- peptides and amino acids. Amino acids are thentransported through the cells liningthe small intestine and into theblood. The di- and tri- peptides are transported intothe cells lining the small intestine where intracellular peptidasesconvert them into amino acids that then enter the blood. But myquestion is where is all this hapeening in the SI? i know thepancreatic enzymes are released into the duodenum or beggining ofthe SI but does this enzymatic breakdown of proteins continuethroughout or just in the duodenum and same for absorbtion, doesthis occur throughout the SI or just in the Ileum? Also, could youconsider the breakdown of proteins in the small intestine chemicalor just enzymatic?

The lactast (B-galactosidase) enzyme's primary location of secretion in the human body is the brush border of the duodenum, research this upper region of the small intestine and find its typical temperature and pH (cite the source used on the line below). Also write the information at the bottom of page 131.

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