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sci221 set 2

human physiology

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