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Physiology Wk 13Quiz

QuestionAnswer
Polysaccharides are hydrolyzed into disaccharides by enzymes known as: amylase
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: gastric inhibitory peptide.
The enzyme pepsin begins the digestion of: protein
Rotavirus can cause what life-threatening condition in infants? Diarrhea
Cellulose is a residue of digestion that comes from: carbohydrates
The enterogastric reflex causes: inhibition of gastric peristalsis
Which of the following is a disaccharide? sucrose
When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. hydrolyzing
Bicarbonates are useful in the GI tract to: neutralize hydrochloric acid
Which of the processes of mechanical digestion involves the esophagus? Deglutition and Peristalsis
The hormone that stimulates the gallbladder to release bile is: cholecystokinin.
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 major site for the absorption of the end products of digestion is the: Small Intestine
The final product of carbohydrate digestion is a: monosaccharide
The purpose of peristalsis is to: propel food forward along the GI tract
The process of swallowing is known as: deglutition
Which blood vessel carries absorbed food from the GI tract to the liver? Portal Vein
The substances absorbed into the lymph capillaries are: glycerol and fatty acids
Which of these is not an example of mechanical digestion? moistening the food
The process of fat emulsification consists of: breaking fats into small droplets.
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. (all)
Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? Cephalic Phase
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: vasoactive intestinal peptide.
The hormone that stimulates the release of bicarbonate substance from the pancreas is: secretin
An end product of fat digestion is: glycerol
Which of the following is not true of enzymes? They change chemically and are in the end products of the reaction.
Glucose moves from the GI tract into the circulatory system by the process of: cotransport
Hydrolysis refers to: using water to split larger compounds into smaller ones.
Which step of deglutition is under voluntary control? Oral Stage
Created by: Janelleu4771
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