Question 1

Glucose moves from the GI tract into the circulatory system by the process of:
  diffusion. 
  cotransport. 
  facilitated diffusion. 
  filtration.

Accepted Answer

cotransport.

Question 2

An end product of fat digestion is:
  glycerol. 
  glucose. 
  glycogen. 
  galactose.

Accepted Answer

glycerol.

Question 3

Bicarbonates are useful in the GI tract to:
  neutralize hydrochloric acid. 
  break down fats. 
  activate secretin. 
  activate pepsin.

Accepted Answer

neutralize hydrochloric acid.

Question 4

Cellulose is a residue of digestion that comes from:
  carbohydrates. 
  meat proteins. 
  undigested fats. 
  undigested connective tissue.

Accepted Answer

carbohydrates.

Question 5

When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes.
  oxidation-reduction 
  hydrolyzing 
  phosphorylating 
  hydrase

Accepted Answer

hydrolyzing

Question 6

Which blood vessel carries absorbed food from the GI tract to the liver?
  Hepatic artery 
  Hepatic vein 
  Portal vein 
  Renal artery

Accepted Answer

Portal vein

Question 7

The final product of carbohydrate digestion is a:
  disaccharide. 
  monosaccharide. 
  polysaccharide. 
  fatty acid.

Accepted Answer

monosaccharide.

Question 8

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.

Accepted Answer

using water to split larger compounds into smaller ones.

Question 9

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.

Accepted Answer

They change chemically and are in the end products of the reaction.

Question 10

Which phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food?
  Intestinal phase 
  Cephalic phase 
  Gastric phase 
  All of the above

Accepted Answer

Cephalic phase

Question 11

The hormone that stimulates the release of bicarbonate substance from the pancreas is:
  enterogastrone. 
  secretin. 
  gastrin. 
  cholecystokinin-pancreozymin.

Accepted Answer

secretin.

Question 12

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.

Accepted Answer

breaking fats into small droplets.

Question 13

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 a

Accepted Answer

does all of the above.

Question 14

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.

Accepted Answer

Moistening the food

Question 15

The substances absorbed into the lymph capillaries are:
  glycerol and fatty acids. 
  glucose and glycerol. 
  amino acids and fatty acids. 
  glucose and amino acids.

Accepted Answer

glycerol and fatty acids.

Question 16

The process of swallowing is known as:
  mastication. 
  deglutition. 
  peristalsis. 
  segmentation

Accepted Answer

deglutition.

Question 17

The hormone that stimulates the gallbladder to release bile is:
  enterogastrone. 
  insulin. 
  gastrin. 
  cholecystokinin.

Accepted Answer

cholecystokinin.

Question 18

Which of the processes of mechanical digestion involves the esophagus?
  Deglutition 
  Peristalsis 
  Churning 
  Both A and B

Accepted Answer

Both A and B

Question 19

The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called:
  gastric inhibitory peptide. 
  enterogastrone. 
  chyme. 
  cholecystokinin.

Accepted Answer

gastric inhibitory peptide.

Question 20

The major site for the absorption of the end products of digestion is the:
  stomach. 
  small intestine. 
  cecum. 
  large intestine.

Accepted Answer

small intestine.

Question	Answer
Glucose moves from the GI tract into the circulatory system by the process of: diffusion. cotransport. facilitated diffusion. filtration.	cotransport.
An end product of fat digestion is: glycerol. glucose. glycogen. galactose.	glycerol.
Bicarbonates are useful in the GI tract to: neutralize hydrochloric acid. break down fats. activate secretin. activate pepsin.	neutralize hydrochloric acid.
Cellulose is a residue of digestion that comes from: carbohydrates. meat proteins. undigested fats. undigested connective tissue.	carbohydrates.
When classified according to the kind of chemical reactions catalyzed, digestive enzymes are referred to as _____ enzymes. oxidation-reduction hydrolyzing phosphorylating hydrase	hydrolyzing
Which blood vessel carries absorbed food from the GI tract to the liver? Hepatic artery Hepatic vein Portal vein Renal artery	Portal vein
The final product of carbohydrate digestion is a: disaccharide. monosaccharide. polysaccharide. fatty acid.	monosaccharide.
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.
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 phase(s) of gastric secretion is(are) stimulated by the sight, taste, and smell of food? Intestinal phase Cephalic phase Gastric phase All of the above	Cephalic phase
The hormone that stimulates the release of bicarbonate substance from the pancreas is: enterogastrone. secretin. gastrin. cholecystokinin-pancreozymin.	secretin.
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 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 a	does all of the above.
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
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.
The process of swallowing is known as: mastication. deglutition. peristalsis. segmentation	deglutition.
The hormone that stimulates the gallbladder to release bile is: enterogastrone. insulin. gastrin. cholecystokinin.	cholecystokinin.
Which of the processes of mechanical digestion involves the esophagus? Deglutition Peristalsis Churning Both A and B	Both A and B
The hormone that inhibits gastric muscle, slowing passage of food into the duodenum, is called: gastric inhibitory peptide. enterogastrone. chyme. cholecystokinin.	gastric inhibitory peptide.
The major site for the absorption of the end products of digestion is the: stomach. small intestine. cecum. large intestine.	small intestine.

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Week 13 Quiz