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Brandi Sizemore

Week 13 Physiology Quiz

QuestionAnswer
Hydrolysis refers to using water to split larger compounds into smaller ones.
Glucose moves from GI tract into the circulatory system by the process of: cotransport.
The hormone that stimulates the release of bicarbonate substance from the pancreas is secretin.
Which of the following is not true of enzymes? They change chemically and are in the end products of the reaction.
Cellulose is a residue of digestion that comes from carbohydrates.
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is vasoactive intestinal peptide.
Bicarbonates are useful in the GI tract to: neutralize hydrochloric acid.
Which of the following is a disaccharide? Sucrose
The major site for the absorption of the end products of digestion is the: small intestine.
When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. hydrolyzing
The enzyme pepsin begins the digestion of protein.
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules ______ the Gi lumen. passively out of
Which of the following is not one of the openings that must be blocked when food moves from the pharynx into the esophagus? Oropharynx
The process of fat emulsification consists of breaking fats into small droplets.
Which of these is not an example of mechanical digestion? Moistening the food
Rotavirus can cause what life threatening condition in infants? diarrhea
The enterogastric reflex causes: inhibition of gastric peristalsis
Polysaccharides are hydrolyzed into disaccharides by enzymes known as amylase
The hormone that stimulates the gallbladder to release bile is cholecystokinin.
The final product of carbohydrate digestion is a monosaccharide
An end product of fat digestion is glycerol.
The substance absorbed into the lymph capillaries are glycerol and fatty acids
Which step of deglutition is under voluntary control? Oral stage
Which blood vessel carries absorbed food from the GI tract to the liver? Portal vein
Which of the processes of mechanical digestion involves the esophagus? -Deglutition -Peristalsis -Both A and B
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called gastic inhibitory peptide
The process of swallowing is known as deglutition
The intestinal hormone cholecystokinin _causes the pancreas to increase exocrine secretions high in enzyme content. -opposes the influence of gastrin on gastric parietal cells. - stimulates the contraction of the gallbladder. - does all of the above.
Which phrase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? cephalic phase
The purpose of peristalsis is to propel food forward along the GI tract.
Created by: Brandi Sizemore
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