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Physiology Week14

Jeremy Yount

QuestionAnswer
The substances absorbed into the lymph capillaries are: glycerol and fatty acids. glucose and glycerol. amino acids and fatty acids. glucose and amino acids. glycerol and fatty acids.
Which of the following is not true of enzymes? They accelerate chemical reactions. They change chemically and are in the end products of the reaction. They are vital to chemical reactions. Many contain vitamins in their structure. They change chemically and are in the end products of the reaction.
Which of these is not an example of mechanical digestion? Moistening the food Changing food from large to small particles Propelling food through the digestive tract All of the above are examples of mechanical digestion. Moistening the food
When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. oxidation-reduction hydrolyzing phosphorylating hydrase hydrolyzing
Glucose moves from the GI tract into the circulatory system by the process of: diffusion. cotransport. facilitated diffusion. filtration. cotransport.
The enterogastric reflex causes: secretion of digestive enzymes in the small intestine. secretion of digestive enzymes in the stomach. inhibition of gastric peristalsis. acceleration of gastric peristalsis. inhibition of gastric peristalsis.
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: gastric inhibitory peptide. enterogastrone. chyme. cholecystokinin. gastric inhibitory peptide.
Hydrolysis refers to: breaking down a molecule of water to hydrogen and oxygen gas. using water to split larger compounds into smaller ones. using water to build larger compounds from smaller ones. none of the above. using water to split larger compounds into smaller ones.
The hormone thought to be a messenger causing release of digestive enzymes from the intestinal mucosa is: vasoactive intestinal peptide. enterogastrone. secretin. cholecystokinin-pancreozymin. vasoactive intestinal peptide.
An end product of fat digestion is: glycerol. glucose. glycogen. galactose. glycerol
Which step of deglutition is under voluntary control? Oral stage Pharyngeal stage Esophageal stage Gastric phase Oral stage
Which of the following is a disaccharide? Glucose Starch Sucrose Glycogen Sucrose
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. does all of the above.
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. passively out of passively into actively out of actively into passively out of
The major site for the absorption of the end products of digestion is the: stomach. small intestine. cecum. large intestine. small intestine.
The enzyme pepsin begins the digestion of: carbohydrates. protein. fat. nucleic acids. protein.
The final product of carbohydrate digestion is a: disaccharide. monosaccharide. polysaccharide. fatty acid. monosaccharide.
Bicarbonates are useful in the GI tract to: neutralize hydrochloric acid. break down fats. activate secretin. activate pepsin. neutralize hydrochloric acid.
The process of fat emulsification consists of: chemically breaking down fat molecules. the secretion of digestive juices for fat digestion. absorption of fats. breaking fats into small droplets. breaking fats into small droplets.
The hormone that stimulates the release of bicarbonate substance from the pancreas is: enterogastrone. secretin. gastrin. cholecystokinin-pancreozymin. secretin.
Created by: jeremyy7269
 

 



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