Human Physiology 2 Body System - Week 11-Digestion and Metabolism - Lecture 3

Acid secretion is stimulated by?

Exopeptidases

Breakage of peptide bonds requires what?

What causes gastric ulcers?

Overproduction of acid releases ________? which inhibits HCl production

In the stomach fat droplets are “stabilized” by what?

Lipolysis first requires what?

Fat in Lumen Stimulates what two organs that help digest fat?

Transcytosis

Where does secretin activate bicarbonate secretion from?

Leakage of acid into esophagus causes heartburn and _____?

Monoglycerides and fatty acids are taken up by?

Bile acids/salts coat droplets and break down 1._____ droplets into 2._____ ones

Estimated 90% caused of gastric ulcers are cause by which bacteria?

What is combined in golgi apparatus to form chylomicrons?

Which enzyme is released from chief cells during lipolysis

Bile salts recycled to gall bladder

Aas, like glucose are transported via 1._______ using the gradient for 2.___

Triglycerides are resynthesized in the?

Acid activates pepsinogen to pepsin which is called?

Endopeptidases

Bile acids/salts –like “detergents”

Which of the following is not one of the drug treatments for gastric acid?

The action of _____ is inhibited by the tendency of lipids to form clumps in aqueous solution

Bicarbonate ions are secreted by?

Cholesterol moves in the cells of the small intestine by

In the stomach many enzymes are secreted in an inactive form called?

The stomach wall is protected by a?

The Gall bladder releases 1.____ and the pancreas releases 2.______

Dipeptides and tripeptides are cotransported with?

Release of hydrochloric acid

Hydrogen ions (protons) are produced inside 1._____ Cells by the 2.____ enzyme

What is released by mucous cells to neutralize acids?

Which phase creates acid secretion in stomach stimulated by sight, smell and taste of food?

When food is in the stomach it stimulates pepsinogen secretion from which cells?

The liver plays an important role in utilization of digestive products

What phase is presence of protein/amino acids in stomach stimulates further acid secretion?

What % of lipolysis occurs in the stomach?

There are at least how many brush border proteases?

Lipases can not enter bile acid coating and breakdown lipids

Which enzymes carry out chemical digestion of proteins

Decreased absorption of lipids in intestine leads to

Which of the following is true in regards to transcytosis?

Trypsinogen is cleaved to form ______? by a protease in the brush border

Chylomicrons exocytosed and enter where?

Lipids in the form of chylomicrons travel via lymphatics to the _______ then rest of the body

Acid in the lumen stimulates _____? release from the mucosa

Monosaccharides, amino acids & dipeptides travel via blood stream to _____ then to rest of body

Bile acids combine with ______ and form bile salts